diff --git a/Package.resolved b/Package.resolved
index a6a07c2..27b7723 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -12,11 +12,11 @@
       },
       {
         "package": "OctoKit",
-        "repositoryURL": "https://github.com/nerdishbynature/octokit.swift",
+        "repositoryURL": "https://github.com/AvdLee/octokit.swift",
         "state": {
-          "branch": null,
-          "revision": "9521cdff919053868ab13cd08a228f7bc1bde2a9",
-          "version": "0.11.0"
+          "branch": "master",
+          "revision": "c1d49d82fa34d8022b0cdc95ca94113a54a4ec81",
+          "version": null
         }
       },
       {
@@ -24,8 +24,8 @@
         "repositoryURL": "https://github.com/nerdishbynature/RequestKit.git",
         "state": {
           "branch": null,
-          "revision": "fd5e9e99aada7432170366c9e95967011ce13bad",
-          "version": "2.4.0"
+          "revision": "e266fd8ac7d71caf4422ffc56ad98ff368329fde",
+          "version": "3.1.0"
         }
       },
       {
diff --git a/Package.swift b/Package.swift
index 18cc30d..8833c0e 100644
--- a/Package.swift
+++ b/Package.swift
@@ -12,7 +12,9 @@ let package = Package(
     ],
     dependencies: [
         .package(url: "https://github.com/WeTransfer/Mocker.git", .upToNextMajor(from: "2.1.0")),
-        .package(url: "https://github.com/nerdishbynature/octokit.swift", .upToNextMajor(from: "0.10.1")),
+//        .package(path: "../../Forks/octokit.swift"),
+//        .package(url: "https://github.com/nerdishbynature/octokit.swift", .upToNextMajor(from: "0.10.1")),
+        .package(url: "https://github.com/AvdLee/octokit.swift", .branch("master")),
         .package(url: "https://github.com/apple/swift-argument-parser", .upToNextMajor(from: "1.0.0"))
     ],
     targets: [
diff --git a/Sources/GitBuddyCore/Commands/GitBuddy.swift b/Sources/GitBuddyCore/Commands/GitBuddy.swift
index fb7093d..5d57480 100644
--- a/Sources/GitBuddyCore/Commands/GitBuddy.swift
+++ b/Sources/GitBuddyCore/Commands/GitBuddy.swift
@@ -17,7 +17,7 @@ public struct GitBuddy: ParsableCommand {
         commandName: "gitbuddy",
         abstract: "Manage your GitHub repositories with ease",
         version: Self.version,
-        subcommands: [ChangelogCommand.self, ReleaseCommand.self]
+        subcommands: [ChangelogCommand.self, ReleaseCommand.self, TagDeletionsCommand.self]
     )
 
     public init() { }
diff --git a/Sources/GitBuddyCore/Commands/TagDeletionsCommand.swift b/Sources/GitBuddyCore/Commands/TagDeletionsCommand.swift
new file mode 100644
index 0000000..40659cc
--- /dev/null
+++ b/Sources/GitBuddyCore/Commands/TagDeletionsCommand.swift
@@ -0,0 +1,35 @@
+import Foundation
+import ArgumentParser
+
+struct TagDeletionsCommand: ParsableCommand {
+
+    public static let configuration = CommandConfiguration(commandName: "tagDeletion", abstract: "Delete a batch of tags based on given predicates.")
+
+    @Option(name: .shortAndLong, help: "The date of this tag will be used as a limit. Defaults to the latest tag.")
+    private var upUntilTag: String?
+
+    @Option(name: .shortAndLong, help: "The limit of tags to delete in this batch. Defaults to 50")
+    private var limit: Int = 50
+
+    @Flag(name: .long, help: "Delete pre releases only")
+    private var prereleaseOnly: Bool = false
+
+    @Flag(name: .long, help: "Does not actually delete but just logs which tags would be deleted")
+    private var dryRun: Bool = false
+
+    @Flag(name: .long, help: "Show extra logging for debugging purposes")
+    var verbose: Bool = false
+
+    func run() throws {
+        Log.isVerbose = verbose
+
+        let tagsDeleter = try TagsDeleter(upUntilTagName: upUntilTag, limit: limit, prereleaseOnly: prereleaseOnly, dryRun: dryRun)
+        let deletedTags = try tagsDeleter.run()
+
+        guard !deletedTags.isEmpty else {
+            Log.message("There were no tags found to be deleted.")
+            return
+        }
+        Log.message("Deleted tags: \(deletedTags)")
+    }
+}
diff --git a/Sources/GitBuddyCore/Helpers/DateFormatters.swift b/Sources/GitBuddyCore/Helpers/DateFormatters.swift
new file mode 100644
index 0000000..c33fcfa
--- /dev/null
+++ b/Sources/GitBuddyCore/Helpers/DateFormatters.swift
@@ -0,0 +1,19 @@
+//
+//  DateFormatters.swift
+//  
+//
+//  Created by Antoine van der Lee on 25/01/2022.
+//  Copyright © 2020 WeTransfer. All rights reserved.
+//
+
+import Foundation
+
+enum Formatter {
+    static let gitDateFormatter: DateFormatter = {
+        let dateFormatter = DateFormatter()
+        dateFormatter.dateFormat = "yyyy-MM-dd HH:mm:ss Z"
+        dateFormatter.locale = Locale(identifier: "en_US_POSIX")
+        dateFormatter.timeZone = TimeZone(secondsFromGMT: 0)
+        return dateFormatter
+    }()
+}
diff --git a/Sources/GitBuddyCore/Helpers/Shell.swift b/Sources/GitBuddyCore/Helpers/Shell.swift
index 975f035..249e586 100644
--- a/Sources/GitBuddyCore/Helpers/Shell.swift
+++ b/Sources/GitBuddyCore/Helpers/Shell.swift
@@ -14,6 +14,7 @@ enum ShellCommand {
     case previousTag
     case repositoryName
     case tagCreationDate(tag: String)
+    case commitDate(commitish: String)
 
     var rawValue: String {
         switch self {
@@ -27,6 +28,8 @@ enum ShellCommand {
             return "git remote show origin -n | ruby -ne 'puts /^\\s*Fetch.*(:|\\/){1}([^\\/]+\\/[^\\/]+).git/.match($_)[2] rescue nil'"
         case .tagCreationDate(let tag):
             return "git log -1 --format=%ai \(tag)"
+        case .commitDate(let commitish):
+            return "git show -s --format=%ai \(commitish)"
         }
     }
 }
@@ -43,9 +46,11 @@ extension Process {
         let data = outputPipe.fileHandleForReading.readDataToEndOfFile()
         guard let outputData = String(data: data, encoding: String.Encoding.utf8) else { return "" }
 
-        return outputData.reduce("") { (result, value) in
-            return result + String(value)
-        }.trimmingCharacters(in: .whitespacesAndNewlines)
+        return outputData
+            .reduce("") { (result, value) in
+                return result + String(value)
+            }
+            .trimmingCharacters(in: .whitespacesAndNewlines)
     }
 }
 
diff --git a/Sources/GitBuddyCore/Models/Tag.swift b/Sources/GitBuddyCore/Models/Tag.swift
index 1c19d8b..6230dda 100644
--- a/Sources/GitBuddyCore/Models/Tag.swift
+++ b/Sources/GitBuddyCore/Models/Tag.swift
@@ -40,18 +40,13 @@ struct Tag: ShellInjectable, Encodable {
         } else {
             let tagCreationDate = Self.shell.execute(.tagCreationDate(tag: name))
             if tagCreationDate.isEmpty {
-                Log.debug("Tag creation date could not be found")
+                Log.debug("Tag creation date could not be found for \(name)")
                 throw Error.missingTagCreationDate
             }
 
             Log.debug("Tag \(name) is created at \(tagCreationDate)")
 
-            let dateFormatter = DateFormatter()
-            dateFormatter.dateFormat = "yyyy-MM-dd HH:mm:ss Z"
-            dateFormatter.locale = Locale(identifier: "en_US_POSIX")
-            dateFormatter.timeZone = TimeZone(secondsFromGMT: 0)
-
-            guard let date = dateFormatter.date(from: tagCreationDate) else {
+            guard let date = Formatter.gitDateFormatter.date(from: tagCreationDate) else {
                 throw Error.missingTagCreationDate
             }
             self.created = date
diff --git a/Sources/GitBuddyCore/Release/ReleaseProducer.swift b/Sources/GitBuddyCore/Release/ReleaseProducer.swift
index 99d9e5b..e524d6d 100644
--- a/Sources/GitBuddyCore/Release/ReleaseProducer.swift
+++ b/Sources/GitBuddyCore/Release/ReleaseProducer.swift
@@ -53,22 +53,17 @@ final class ReleaseProducer: URLSessionInjectable, ShellInjectable {
     }
 
     @discardableResult public func run(isSectioned: Bool) throws -> Release {
-        /// If a tagname exists, it means we're creating a new tag.
-        /// In this case, we need another way to fetch the from date for the changelog.
-        if tagName != nil, changelogToTag == nil {
-            throw Error.changelogTargetDateMissing
-        }
-
-        let changelogToTag = try changelogToTag.map { try Tag(name: $0) } ?? Tag.latest()
-        let changelogSinceTag = lastReleaseTag ?? Self.shell.execute(.previousTag)
+        let changelogToDate = try fetchChangelogToDate()
 
         /// We're adding 60 seconds to make sure the tag commit itself is included in the changelog as well.
-        let toDate = changelogToTag.created.addingTimeInterval(60)
-        let changelogProducer = try ChangelogProducer(since: .tag(tag: changelogSinceTag), to: toDate, baseBranch: baseBranch)
+        let adjustedChangelogToDate = changelogToDate.addingTimeInterval(60)
+
+        let changelogSinceTag = lastReleaseTag ?? Self.shell.execute(.previousTag)
+        let changelogProducer = try ChangelogProducer(since: .tag(tag: changelogSinceTag), to: adjustedChangelogToDate, baseBranch: baseBranch)
         let changelog = try changelogProducer.run(isSectioned: isSectioned)
         Log.debug("\(changelog)\n")
 
-        let tagName = tagName ?? changelogToTag.name
+        let tagName = try tagName ?? Tag.latest().name
         try updateChangelogFile(adding: changelog.description, for: tagName)
 
         let repositoryName = Self.shell.execute(.repositoryName)
@@ -81,6 +76,36 @@ final class ReleaseProducer: URLSessionInjectable, ShellInjectable {
         return release
     }
 
+    private func fetchChangelogToDate() throws -> Date {
+        if tagName != nil {
+            /// If a tagname exists, it means we're creating a new tag.
+            /// In this case, we need another way to fetch the `to` date for the changelog.
+            ///
+            /// One option is using the `changelogToTag`:
+            if let changelogToTag = changelogToTag {
+                return try Tag(name: changelogToTag).created
+            } else if let targetCommitishDate = targetCommitishDate() {
+                /// We fallback to the target commit date, covering cases in which we create a release
+                /// from a certain branch
+                return targetCommitishDate
+            } else {
+                /// Since we were unable to fetch the date
+                throw Error.changelogTargetDateMissing
+            }
+        } else {
+            /// This is the scenario of creating a release for an already created tag.
+            return try Tag.latest().created
+        }
+    }
+
+    private func targetCommitishDate() -> Date? {
+        guard let targetCommitish = targetCommitish else {
+            return nil
+        }
+        let commitishDate = Self.shell.execute(.commitDate(commitish: targetCommitish))
+        return Formatter.gitDateFormatter.date(from: commitishDate)
+    }
+
     private func postComments(for changelog: Changelog, project: GITProject, release: Release) {
         guard !skipComments else {
             Log.debug("Skipping comments")
diff --git a/Sources/GitBuddyCore/Tag Deletions/TagsDeleter.swift b/Sources/GitBuddyCore/Tag Deletions/TagsDeleter.swift
new file mode 100644
index 0000000..b8bad80
--- /dev/null
+++ b/Sources/GitBuddyCore/Tag Deletions/TagsDeleter.swift	
@@ -0,0 +1,121 @@
+import Foundation
+import OctoKit
+
+final class TagsDeleter: URLSessionInjectable, ShellInjectable {
+
+    private lazy var octoKit: Octokit = Octokit()
+    let upUntilTagName: String?
+    let limit: Int
+    let prereleaseOnly: Bool
+    let dryRun: Bool
+
+    init(upUntilTagName: String? = nil, limit: Int, prereleaseOnly: Bool, dryRun: Bool) throws {
+        try Octokit.authenticate()
+
+        self.upUntilTagName = upUntilTagName
+        self.limit = limit
+        self.prereleaseOnly = prereleaseOnly
+        self.dryRun = dryRun
+    }
+
+    @discardableResult public func run() throws -> [String] {
+        let upUntilTag = try upUntilTagName.map { try Tag(name: $0) } ?? Tag.latest()
+        Log.debug("Deleting up to \(limit) tags before \(upUntilTag.name) (Dry run: \(dryRun.description))")
+
+        let currentProject = GITProject.current()
+        let releases = try fetchReleases(project: currentProject, upUntil: upUntilTag.created)
+
+        guard !releases.isEmpty else {
+            return []
+        }
+        try deleteReleases(releases, project: currentProject)
+        try deleteTags(releases, project: currentProject)
+
+        return releases.map { $0.tagName }
+    }
+
+    private func fetchReleases(project: GITProject, upUntil: Date) throws -> [OctoKit.Release] {
+        let group = DispatchGroup()
+        group.enter()
+
+        var result: Result<[OctoKit.Release], Swift.Error>!
+        octoKit.listReleases(urlSession, owner: project.organisation, repository: project.repository, perPage: 100) { response in
+            result = response
+            group.leave()
+        }
+        group.wait()
+
+        let releases = try result.get()
+        Log.debug("Fetched releases: \(releases.map { $0.tagName }.joined(separator: ", "))")
+
+        return releases
+            .filter({ release in
+                guard !prereleaseOnly || release.prerelease else {
+                    return false
+                }
+                return release.createdAt < upUntil
+            })
+            .suffix(limit)
+    }
+
+    private func deleteReleases(_ releases: [OctoKit.Release], project: GITProject) throws {
+        let releasesToDelete = releases.map { $0.tagName }
+        Log.debug("Deleting tags: \(releasesToDelete.joined(separator: ", "))")
+
+        let group = DispatchGroup()
+        var lastError: Error?
+        for release in releases {
+            group.enter()
+            Log.debug("Deleting release \(release.tagName) with id \(release.id) url: \(release.htmlURL)")
+            guard !dryRun else {
+                group.leave()
+                return
+            }
+
+            octoKit.deleteRelease(urlSession, owner: project.organisation, repository: project.repository, releaseId: release.id) { error in
+                defer { group.leave() }
+                guard let error = error else {
+                    Log.debug("Successfully deleted release \(release.tagName)")
+                    return
+                }
+                Log.debug("Deletion of release \(release.tagName) failed: \(error)")
+                lastError = error
+            }
+        }
+        group.wait()
+
+        if let lastError = lastError {
+            throw lastError
+        }
+    }
+
+    private func deleteTags(_ releases: [OctoKit.Release], project: GITProject) throws {
+        let tagsToDelete = releases.map { $0.tagName }
+        Log.debug("Deleting tags: \(tagsToDelete.joined(separator: ", "))")
+
+        let group = DispatchGroup()
+        var lastError: Error?
+        for release in releases {
+            group.enter()
+            Log.debug("Deleting tag \(release.tagName) with id \(release.id) url: \(release.htmlURL)")
+            guard !dryRun else {
+                group.leave()
+                return
+            }
+
+            octoKit.deleteReference(urlSession, owner: project.organisation, repository: project.repository, ref: "tags/\(release.tagName)") { error in
+                defer { group.leave() }
+                guard let error = error else {
+                    Log.debug("Successfully deleted tag \(release.tagName)")
+                    return
+                }
+                Log.debug("Deletion of tag \(release.tagName) failed: \(error)")
+                lastError = error
+            }
+        }
+        group.wait()
+        if let lastError = lastError {
+            throw lastError
+        }
+    }
+}
diff --git a/Submodules/WeTransfer-iOS-CI b/Submodules/WeTransfer-iOS-CI
index 9f61063..ea38f28 160000
--- a/Submodules/WeTransfer-iOS-CI
+++ b/Submodules/WeTransfer-iOS-CI
@@ -1 +1 @@
-Subproject commit 9f610636865411fc0355f6650adc7dd7bb489a57
+Subproject commit ea38f283c557acbbe8a370bf19398d7a717f3e00
diff --git a/Tests/GitBuddyTests/Release/ReleaseProducerTests.swift b/Tests/GitBuddyTests/Release/ReleaseProducerTests.swift
index 280e25c..1f9dc9f 100644
--- a/Tests/GitBuddyTests/Release/ReleaseProducerTests.swift
+++ b/Tests/GitBuddyTests/Release/ReleaseProducerTests.swift
@@ -213,6 +213,40 @@ final class ReleaseProducerTests: XCTestCase {
         wait(for: [mockExpectation], timeout: 0.3)
     }
 
+    func testUsingTargetCommitishDate() throws {
+        let existingChangelog = """
+        ### 1.0.0
+        - Initial release
+        """
+        let tagName = "2.0.0b1233"
+        let changelogToTag = "2.0.0b1232"
+        let commitish = "1e88145e2101dc7203af3095d6e"
+        let dateFormatter = DateFormatter()
+        dateFormatter.dateFormat = "yyyy-MM-dd"
+        let date = dateFormatter.date(from: "2020-01-05")!
+        MockedShell.mockCommitish(commitish, date: date)
+        MockedShell.mockRelease(tag: changelogToTag, date: date)
+
+        let tempFileURL = URL(fileURLWithPath: NSTemporaryDirectory(), isDirectory: true).appendingPathComponent("Changelog.md")
+        XCTAssertTrue(FileManager.default.createFile(atPath: tempFileURL.path, contents: Data(existingChangelog.utf8), attributes: nil))
+
+        try executeCommand("gitbuddy release --target-commitish \(commitish) -s -n \(tagName) -c \(tempFileURL.path)")
+
+        let updatedChangelogContents = try String(contentsOfFile: tempFileURL.path)
+
+        // Merged at: 2020-01-06 - Add charset utf-8 to html head
+        // Closed at: 2020-01-03 - Get warning for file
+        // Setting the tag date to 2020-01-05 should remove the Add charset
+
+        XCTAssertEqual(updatedChangelogContents, """
+        ### 2.0.0b1233
+        - Get warning for file \'style.css\' after building \
+        ([#39](https://github.com/WeTransfer/Diagnostics/issues/39)) via [@AvdLee](https://github.com/AvdLee)
+
+        \(existingChangelog)
+        """)
+    }
+
     func testThrowsMissingTargetDateError() {
         XCTAssertThrowsError(try executeCommand("gitbuddy release -s -n 3.0.0"), "Missing target date error should be thrown") { error in
             XCTAssertEqual(error as? ReleaseProducer.Error, .changelogTargetDateMissing)
diff --git a/Tests/GitBuddyTests/Tag Deletions/TagsDeleterTests.swift b/Tests/GitBuddyTests/Tag Deletions/TagsDeleterTests.swift
new file mode 100644
index 0000000..564f534
--- /dev/null
+++ b/Tests/GitBuddyTests/Tag Deletions/TagsDeleterTests.swift	
@@ -0,0 +1,79 @@
+//
+//  TagsDeleterTests.swift
+//  
+//
+//  Created by Antoine van der Lee on 25/01/2022.
+//
+
+import XCTest
+@testable import GitBuddyCore
+import Mocker
+import OctoKit
+
+final class TagsDeleterTests: XCTestCase {
+
+    override func setUp() {
+        super.setUp()
+        Octokit.protocolClasses = [MockingURLProtocol.self]
+        mockGITAuthentication()
+        ShellInjector.shell = MockedShell.self
+        Mocker.mockListReleases()
+        MockedShell.mockGITProject(organisation: "WeTransfer", repository: "Diagnostics")
+    }
+
+    override func tearDown() {
+        super.tearDown()
+        MockedShell.commandMocks.removeAll()
+        Mocker.removeAll()
+    }
+
+    func testDeletingUpUntilTagName() throws {
+        let dateFormatter = DateFormatter()
+        dateFormatter.dateFormat = "dd-MM-yyyy"
+        let dateMatchingTagInMockedJSON = dateFormatter.date(from: "26-06-2013")!
+        MockedShell.mockRelease(tag: "2.0.0", date: dateMatchingTagInMockedJSON)
+
+        let expectedTags = ["v1.0.0", "v1.0.1", "v1.0.2", "v1.0.3"]
+        for (index, tagName) in expectedTags.enumerated() {
+            Mocker.mockDeletingRelease(id: index)
+            Mocker.mockDeletingReference(tagName: tagName)
+        }
+
+        let output = try executeCommand("gitbuddy tagDeletion -u 2.0.0 -l 100")
+        XCTAssertEqual(output, "Deleted tags: [\"\(expectedTags.joined(separator: "\", \""))\"]")
+    }
+
+    func testDeletingLimit() throws {
+        let dateFormatter = DateFormatter()
+        dateFormatter.dateFormat = "dd-MM-yyyy"
+        let dateMatchingTagInMockedJSON = dateFormatter.date(from: "26-06-2013")!
+        MockedShell.mockRelease(tag: "2.0.0", date: dateMatchingTagInMockedJSON)
+
+        Mocker.mockDeletingRelease(id: 1)
+        Mocker.mockDeletingReference(tagName: "v1.0.3")
+
+        let output = try executeCommand("gitbuddy tagDeletion -u 2.0.0 -l 1")
+        XCTAssertEqual(output, "Deleted tags: [\"v1.0.3\"]")
+    }
+
+    func testDeletingPrereleaseOnly() throws {
+        MockedShell.mockRelease(tag: "2.0.0", date: Date())
+
+        Mocker.mockDeletingRelease(id: 1)
+        Mocker.mockDeletingReference(tagName: "v1.0.3")
+
+        let output = try executeCommand("gitbuddy tagDeletion -u 2.0.0 -l 1 --prerelease-only")
+        XCTAssertEqual(output, "Deleted tags: [\"v1.0.3\"]")
+    }
+
+    func testDeletingUpUntilLastTag() throws {
+        MockedShell.mockRelease(tag: "2.0.0", date: Date())
+
+        MockedShell.mock(.previousTag, value: "2.0.0")
+        Mocker.mockDeletingRelease(id: 1)
+        Mocker.mockDeletingReference(tagName: "v1.0.3")
+
+        let output = try executeCommand("gitbuddy tagDeletion -l 1 --prerelease-only")
+        XCTAssertEqual(output, "Deleted tags: [\"v1.0.3\"]")
+    }
+}
diff --git a/Tests/GitBuddyTests/TestHelpers/ListReleasesJSON.swift b/Tests/GitBuddyTests/TestHelpers/ListReleasesJSON.swift
new file mode 100644
index 0000000..282efb9
--- /dev/null
+++ b/Tests/GitBuddyTests/TestHelpers/ListReleasesJSON.swift
@@ -0,0 +1,208 @@
+//
+//  ListReleasesJSON.swift
+//  
+//
+//  Created by Antoine van der Lee on 25/01/2022.
+//
+
+import Foundation
+
+let ListReleasesJSON = """
+
+[{
+        "url": "https://api.github.com/repos/octocat/Hello-World/releases/1",
+        "html_url": "https://github.com/octocat/Hello-World/releases/v1.0.0",
+        "assets_url": "https://api.github.com/repos/octocat/Hello-World/releases/1/assets",
+        "upload_url": "https://uploads.github.com/repos/octocat/Hello-World/releases/1/assets{?name,label}",
+        "tarball_url": null,
+        "zipball_url": null,
+        "id": 1,
+        "node_id": "MDc6UmVsZWFzZTE=",
+        "tag_name": "v1.0.0",
+        "target_commitish": "master",
+        "name": "v1.0.0 Release",
+        "body": "The changelog of this release",
+        "draft": true,
+        "prerelease": false,
+        "created_at": "2013-02-27T19:35:32Z",
+        "published_at": null,
+        "author": {
+            "login": "octocat",
+            "id": 1,
+            "node_id": "MDQ6VXNlcjE=",
+            "avatar_url": "https://github.com/images/error/octocat_happy.gif",
+            "gravatar_id": "",
+            "url": "https://api.github.com/users/octocat",
+            "html_url": "https://github.com/octocat",
+            "followers_url": "https://api.github.com/users/octocat/followers",
+            "following_url": "https://api.github.com/users/octocat/following{/other_user}",
+            "gists_url": "https://api.github.com/users/octocat/gists{/gist_id}",
+            "starred_url": "https://api.github.com/users/octocat/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/octocat/subscriptions",
+            "organizations_url": "https://api.github.com/users/octocat/orgs",
+            "repos_url": "https://api.github.com/users/octocat/repos",
+            "events_url": "https://api.github.com/users/octocat/events{/privacy}",
+            "received_events_url": "https://api.github.com/users/octocat/received_events",
+            "type": "User",
+            "site_admin": false
+        },
+        "assets": []
+    },
+    {
+        "url": "https://api.github.com/repos/octocat/Hello-World/releases/2",
+        "html_url": "https://github.com/octocat/Hello-World/releases/v1.0.1",
+        "assets_url": "https://api.github.com/repos/octocat/Hello-World/releases/2/assets",
+        "upload_url": "https://uploads.github.com/repos/octocat/Hello-World/releases/2/assets{?name,label}",
+        "tarball_url": "https://api.github.com/repos/octocat/Hello-World/tarball/v1.0.1",
+        "zipball_url": "https://api.github.com/repos/octocat/Hello-World/zipball/v1.0.1",
+        "id": 1,
+        "node_id": "MDc6UmVsZWFzZTE=",
+        "tag_name": "v1.0.1",
+        "target_commitish": "master",
+        "name": "v1.0.1 Release",
+        "body": "The changelog of this release",
+        "draft": false,
+        "prerelease": false,
+        "created_at": "2013-03-27T19:35:32Z",
+        "published_at": "2013-03-27T19:35:32Z",
+        "author": {
+            "login": "octocat",
+            "id": 1,
+            "node_id": "MDQ6VXNlcjE=",
+            "avatar_url": "https://github.com/images/error/octocat_happy.gif",
+            "gravatar_id": "",
+            "url": "https://api.github.com/users/octocat",
+            "html_url": "https://github.com/octocat",
+            "followers_url": "https://api.github.com/users/octocat/followers",
+            "following_url": "https://api.github.com/users/octocat/following{/other_user}",
+            "gists_url": "https://api.github.com/users/octocat/gists{/gist_id}",
+            "starred_url": "https://api.github.com/users/octocat/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/octocat/subscriptions",
+            "organizations_url": "https://api.github.com/users/octocat/orgs",
+            "repos_url": "https://api.github.com/users/octocat/repos",
+            "events_url": "https://api.github.com/users/octocat/events{/privacy}",
+            "received_events_url": "https://api.github.com/users/octocat/received_events",
+            "type": "User",
+            "site_admin": false
+        },
+        "assets": []
+    },
+    {
+        "url": "https://api.github.com/repos/octocat/Hello-World/releases/3",
+        "html_url": "https://github.com/octocat/Hello-World/releases/v1.0.2",
+        "assets_url": "https://api.github.com/repos/octocat/Hello-World/releases/3/assets",
+        "upload_url": "https://uploads.github.com/repos/octocat/Hello-World/releases/3/assets{?name,label}",
+        "tarball_url": "https://api.github.com/repos/octocat/Hello-World/tarball/v1.0.2",
+        "zipball_url": "https://api.github.com/repos/octocat/Hello-World/zipball/v1.0.2",
+        "id": 1,
+        "node_id": "MDc6UmVsZWFzZTE=",
+        "tag_name": "v1.0.2",
+        "target_commitish": "master",
+        "name": "v1.0.2 Release",
+        "body": "The changelog of this release",
+        "draft": false,
+        "prerelease": true,
+        "created_at": "2013-04-27T19:35:32Z",
+        "published_at": "2013-04-27T19:35:32Z",
+        "author": {
+            "login": "octocat",
+            "id": 1,
+            "node_id": "MDQ6VXNlcjE=",
+            "avatar_url": "https://github.com/images/error/octocat_happy.gif",
+            "gravatar_id": "",
+            "url": "https://api.github.com/users/octocat",
+            "html_url": "https://github.com/octocat",
+            "followers_url": "https://api.github.com/users/octocat/followers",
+            "following_url": "https://api.github.com/users/octocat/following{/other_user}",
+            "gists_url": "https://api.github.com/users/octocat/gists{/gist_id}",
+            "starred_url": "https://api.github.com/users/octocat/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/octocat/subscriptions",
+            "organizations_url": "https://api.github.com/users/octocat/orgs",
+            "repos_url": "https://api.github.com/users/octocat/repos",
+            "events_url": "https://api.github.com/users/octocat/events{/privacy}",
+            "received_events_url": "https://api.github.com/users/octocat/received_events",
+            "type": "User",
+            "site_admin": false
+        },
+        "assets": []
+    },
+    {
+        "url": "https://api.github.com/repos/octocat/Hello-World/releases/4",
+        "html_url": "https://github.com/octocat/Hello-World/releases/v1.0.3",
+        "assets_url": "https://api.github.com/repos/octocat/Hello-World/releases/4/assets",
+        "upload_url": "https://uploads.github.com/repos/octocat/Hello-World/releases/4/assets{?name,label}",
+        "tarball_url": "https://api.github.com/repos/octocat/Hello-World/tarball/v1.0.3",
+        "zipball_url": "https://api.github.com/repos/octocat/Hello-World/zipball/v1.0.3",
+        "id": 1,
+        "node_id": "MDc6UmVsZWFzZTE=",
+        "tag_name": "v1.0.3",
+        "target_commitish": "master",
+        "name": "v1.0.3 Release",
+        "body": "The changelog of this release",
+        "draft": false,
+        "prerelease": true,
+        "created_at": "2013-05-27T19:35:32Z",
+        "published_at": "2013-05-27T19:35:32Z",
+        "author": {
+            "login": "octocat",
+            "id": 1,
+            "node_id": "MDQ6VXNlcjE=",
+            "avatar_url": "https://github.com/images/error/octocat_happy.gif",
+            "gravatar_id": "",
+            "url": "https://api.github.com/users/octocat",
+            "html_url": "https://github.com/octocat",
+            "followers_url": "https://api.github.com/users/octocat/followers",
+            "following_url": "https://api.github.com/users/octocat/following{/other_user}",
+            "gists_url": "https://api.github.com/users/octocat/gists{/gist_id}",
+            "starred_url": "https://api.github.com/users/octocat/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/octocat/subscriptions",
+            "organizations_url": "https://api.github.com/users/octocat/orgs",
+            "repos_url": "https://api.github.com/users/octocat/repos",
+            "events_url": "https://api.github.com/users/octocat/events{/privacy}",
+            "received_events_url": "https://api.github.com/users/octocat/received_events",
+            "type": "User",
+            "site_admin": false
+        },
+        "assets": []
+    },
+    {
+        "url": "https://api.github.com/repos/octocat/Hello-World/releases/5",
+        "html_url": "https://github.com/octocat/Hello-World/releases/v2.0.0",
+        "assets_url": "https://api.github.com/repos/octocat/Hello-World/releases/5/assets",
+        "upload_url": "https://uploads.github.com/repos/octocat/Hello-World/releases/5/assets{?name,label}",
+        "tarball_url": "https://api.github.com/repos/octocat/Hello-World/tarball/v2.0.0",
+        "zipball_url": "https://api.github.com/repos/octocat/Hello-World/zipball/v2.0.0",
+        "id": 1,
+        "node_id": "MDc6UmVsZWFzZTE=",
+        "tag_name": "v2.0.0",
+        "target_commitish": "master",
+        "name": "v2.0.0 Release",
+        "body": "The changelog of this release",
+        "draft": false,
+        "prerelease": false,
+        "created_at": "2013-06-27T19:35:32Z",
+        "published_at": "2013-06-27T19:35:32Z",
+        "author": {
+            "login": "octocat",
+            "id": 1,
+            "node_id": "MDQ6VXNlcjE=",
+            "avatar_url": "https://github.com/images/error/octocat_happy.gif",
+            "gravatar_id": "",
+            "url": "https://api.github.com/users/octocat",
+            "html_url": "https://github.com/octocat",
+            "followers_url": "https://api.github.com/users/octocat/followers",
+            "following_url": "https://api.github.com/users/octocat/following{/other_user}",
+            "gists_url": "https://api.github.com/users/octocat/gists{/gist_id}",
+            "starred_url": "https://api.github.com/users/octocat/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/octocat/subscriptions",
+            "organizations_url": "https://api.github.com/users/octocat/orgs",
+            "repos_url": "https://api.github.com/users/octocat/repos",
+            "events_url": "https://api.github.com/users/octocat/events{/privacy}",
+            "received_events_url": "https://api.github.com/users/octocat/received_events",
+            "type": "User",
+            "site_admin": false
+        },
+        "assets": []
+    }
+]
+"""
diff --git a/Tests/GitBuddyTests/TestHelpers/Mocks.swift b/Tests/GitBuddyTests/TestHelpers/Mocks.swift
index e4b9c5d..d5221cc 100644
--- a/Tests/GitBuddyTests/TestHelpers/Mocks.swift
+++ b/Tests/GitBuddyTests/TestHelpers/Mocks.swift
@@ -5,7 +5,7 @@
 //  Created by Antoine van der Lee on 10/01/2020.
 //  Copyright © 2020 WeTransfer. All rights reserved.
 //
-//  danger:disable final_class
+// swiftlint:disable final_class
 
 import Foundation
 import Mocker
@@ -25,6 +25,12 @@ struct MockedShell: ShellExecuting {
         commandMocks[command.rawValue] = value
     }
 
+    static func mockCommitish(_ commitish: String, date: Date = Date()) {
+        let dateFormatter = DateFormatter()
+        dateFormatter.dateFormat = "yyyy-MM-dd HH:mm:ss Z"
+        commandMocks[ShellCommand.commitDate(commitish: commitish).rawValue] = dateFormatter.string(from: date)
+    }
+
     static func mockRelease(tag: String, date: Date = Date()) {
         let dateFormatter = DateFormatter()
         dateFormatter.dateFormat = "yyyy-MM-dd HH:mm:ss Z"
@@ -107,6 +113,25 @@ extension Mocker {
         return mock
     }
 
+    @discardableResult static func mockListReleases() -> Mock {
+        let releaseJSONData = ListReleasesJSON.data(using: .utf8)!
+        let mock = Mock(url: URL(string: "https://api.github.com/repos/WeTransfer/Diagnostics/releases?per_page=100")!, dataType: .json, statusCode: 200, data: [.get: releaseJSONData])
+        mock.register()
+        return mock
+    }
+
+    @discardableResult static func mockDeletingRelease(id: Int) -> Mock {
+        let mock = Mock(url: URL(string: "https://api.github.com/repos/WeTransfer/Diagnostics/releases/\(id)")!, dataType: .json, statusCode: 204, data: [.delete: Data()])
+        mock.register()
+        return mock
+    }
+
+    @discardableResult static func mockDeletingReference(tagName: String) -> Mock {
+        let mock = Mock(url: URL(string: "https://api.github.com/repos/WeTransfer/Diagnostics/git/refs/tags/\(tagName)")!, dataType: .json, statusCode: 204, data: [.delete: Data()])
+        mock.register()
+        return mock
+    }
+
     static func mockForCommentingOn(issueNumber: Int) -> Mock {
         let urlComponents = URLComponents(string: "https://api.github.com/repos/WeTransfer/Diagnostics/issues/\(issueNumber)/comments")!
         let commentJSONData = CommentJSON.data(using: .utf8)!