diff --git a/.github/scripts/local.init.gradle.kts b/.github/scripts/local.init.gradle.kts
index ff27a92de3e8..7e04bb753668 100644
--- a/.github/scripts/local.init.gradle.kts
+++ b/.github/scripts/local.init.gradle.kts
@@ -8,6 +8,12 @@ settingsEvaluated {
 }
 
 allprojects {
+  buildscript {
+    repositories {
+      mavenLocal()
+      removeIf { it.name == "sonatype" }
+    }
+  }
   repositories {
     mavenLocal()
     removeIf { it.name == "sonatype" }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4e3ac8ae516b..42275160fbb6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Unreleased
+## Version 1.20.0 (2022-11-17)
 
 Instrumentation annotations module is declared stable in this release
 (`io.opentelemetry.instrumentation:opentelemetry-instrumentation-annotations:1.20.0`).
diff --git a/README.md b/README.md
index 1c49ff0392ea..3241164f0906 100644
--- a/README.md
+++ b/README.md
@@ -61,7 +61,7 @@ if you are looking for documentation on using those.
 ## Getting Started
 
 Download
-the [latest version](https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/latest/download/opentelemetry-javaagent.jar).
+the [latest version](https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/download/v1.20.0/opentelemetry-javaagent.jar).
 
 This package includes the instrumentation agent as well as
 instrumentations for all supported libraries and all available data exporters.
diff --git a/examples/distro/build.gradle b/examples/distro/build.gradle
index c5d1cdc20ebe..4e548d9a09c0 100644
--- a/examples/distro/build.gradle
+++ b/examples/distro/build.gradle
@@ -14,7 +14,7 @@ buildscript {
   dependencies {
     classpath "com.diffplug.spotless:spotless-plugin-gradle:6.11.0"
     classpath "gradle.plugin.com.github.johnrengelman:shadow:7.1.2"
-    classpath "io.opentelemetry.instrumentation:gradle-plugins:1.20.0-alpha-SNAPSHOT"
+    classpath "io.opentelemetry.instrumentation:gradle-plugins:1.20.0-alpha"
   }
 }
 
@@ -30,8 +30,8 @@ subprojects {
       opentelemetry              : "1.20.1",
 
       // these lines are managed by .github/scripts/update-version.sh
-      opentelemetryJavaagent     : "1.20.0-SNAPSHOT",
-      opentelemetryJavaagentAlpha: "1.20.0-alpha-SNAPSHOT",
+      opentelemetryJavaagent     : "1.20.0",
+      opentelemetryJavaagentAlpha: "1.20.0-alpha",
 
       bytebuddy                  : "1.12.18",
       autoservice                : "1.0.1",
diff --git a/examples/extension/build.gradle b/examples/extension/build.gradle
index 194eba6d790a..5ab6e5f1a96d 100644
--- a/examples/extension/build.gradle
+++ b/examples/extension/build.gradle
@@ -13,8 +13,8 @@ plugins {
   id "com.github.johnrengelman.shadow" version "7.1.2"
   id "com.diffplug.spotless" version "6.11.0"
 
-  id "io.opentelemetry.instrumentation.muzzle-generation" version "1.20.0-alpha-SNAPSHOT"
-  id "io.opentelemetry.instrumentation.muzzle-check" version "1.20.0-alpha-SNAPSHOT"
+  id "io.opentelemetry.instrumentation.muzzle-generation" version "1.20.0-alpha"
+  id "io.opentelemetry.instrumentation.muzzle-check" version "1.20.0-alpha"
 }
 
 group 'io.opentelemetry.example'
@@ -26,8 +26,8 @@ ext {
     opentelemetry              : "1.20.1",
 
     // these lines are managed by .github/scripts/update-version.sh
-    opentelemetryJavaagent     : "1.20.0-SNAPSHOT",
-    opentelemetryJavaagentAlpha: "1.20.0-alpha-SNAPSHOT",
+    opentelemetryJavaagent     : "1.20.0",
+    opentelemetryJavaagentAlpha: "1.20.0-alpha",
 
     junit                      : "5.9.1"
   ]
diff --git a/version.gradle.kts b/version.gradle.kts
index babc9e129731..2e88d95726e3 100644
--- a/version.gradle.kts
+++ b/version.gradle.kts
@@ -1,5 +1,5 @@
-val stableVersion = "1.20.0-SNAPSHOT"
-val alphaVersion = "1.20.0-alpha-SNAPSHOT"
+val stableVersion = "1.20.0"
+val alphaVersion = "1.20.0-alpha"
 
 allprojects {
   if (findProperty("otel.stable") != "true") {