diff --git a/CHANGELOG.md b/CHANGELOG.md
index 99de86a..a8d30f7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -47,7 +47,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 - Node.js runtime has been updated to v10.9.0
 - Included Helm binary has been updated to v2.10.0.
-- All NPM (dev/runtime) dependencies have been updated to their respective latest versions
+- All NPM (dev/runtime) dependencies have been updated to their respective latest
+  versions
 
 ### Changed
 
@@ -64,8 +65,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ### Fixed
 
-- Chart re-deployments are now handled correctly and the `check` action is being triggered
-  if only the digest of a chart (and not it's version) has been changed
+- Chart re-deployments are now handled correctly and the `check` action is being
+  triggered if only the digest of a chart (and not it's version) has been changed
 
 ## [0.1.1] - 2018-01-15
 
@@ -77,4 +78,5 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ### Added
 
-- First public version. Implementation of the `check` and `in` actions have been done so far.
\ No newline at end of file
+- First public version. Implementation of the `check` and `in` actions have been
+  done so far.
diff --git a/Dockerfile b/Dockerfile
index 3b99e5e..9a2505b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:10.13.0 as builder
+FROM node:11.8.0 as builder
 RUN apt-get -y update && apt-get -y install curl gzip tar unzip
 ARG HELM_DOWNLOAD_URL="https://storage.googleapis.com/kubernetes-helm/helm-v2.11.0-linux-amd64.tar.gz"
 RUN curl -s -j -k -L "${HELM_DOWNLOAD_URL}" > /tmp/helm.tar.gz
@@ -13,7 +13,7 @@ COPY . /src
 WORKDIR /src
 RUN npm -s install && npm -s run build && npm -s test && npm -s pack && mv cathive-concourse-chartmuseum-resource-*.tgz /data/cathive-concourse-chartmuseum-resource.tgz
 
-FROM node:10.13.0-alpine
+FROM node:11.8.0-alpine
 RUN apk add --no-cache gnupg ca-certificates
 COPY --from=builder "/data/helm" "/usr/local/bin/helm"
 COPY --from=builder "/data/cathive-concourse-chartmuseum-resource.tgz" "/tmp/cathive-concourse-chartmuseum-resource.tgz"
@@ -27,7 +27,7 @@ ENV PATH="/usr/local/bin:/usr/bin:/bin"
 RUN helm init --client-only
 LABEL maintainer="Benjamin P. Jung <headcr4sh@gmail.com>" \
       version="0.4.3-pre" \
-      org.concourse-ci.target-version="4.2.1" \
+      org.concourse-ci.target-version="4.2.2" \
       org.concourse-ci.resource-id="chartmuseum" \
       org.concourse-ci.resource-name="ChartMuseum package management" \
       org.concourse-ci.resource-homepage="https://github.com/cathive/concourse-chartmuseum-resource"
diff --git a/package-lock.json b/package-lock.json
index e4f3bf3..442a88d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28,9 +28,9 @@
             "dev": true
         },
         "@types/node": {
-            "version": "10.12.10",
-            "resolved": "https://registry.npmjs.org/@types/node/-/node-10.12.10.tgz",
-            "integrity": "sha512-8xZEYckCbUVgK8Eg7lf5Iy4COKJ5uXlnIOnePN0WUwSQggy9tolM+tDJf7wMOnT/JT/W9xDYIaYggt3mRV2O5w==",
+            "version": "10.12.19",
+            "resolved": "https://registry.npmjs.org/@types/node/-/node-10.12.19.tgz",
+            "integrity": "sha512-2NVovndCjJQj6fUUn9jCgpP4WSqr+u1SoUZMZyJkhGeBFsm6dE46l31S7lPUYt9uQ28XI+ibrJA1f5XyH5HNtA==",
             "dev": true
         },
         "@types/node-fetch": {
@@ -161,11 +161,26 @@
             "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18="
         },
         "rimraf": {
-            "version": "2.6.2",
-            "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.2.tgz",
-            "integrity": "sha512-lreewLK/BlghmxtfH36YYVg1i8IAce4TI7oao75I1g245+6BctqTVQiBP3YUJ9C6DQOXJmkYR9X9fCLtCOJc5w==",
+            "version": "2.6.3",
+            "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.3.tgz",
+            "integrity": "sha512-mwqeW5XsA2qAejG46gYdENaxXjx9onRNCfn7L0duuP4hCuTIi/QO7PDK07KJfp1d+izWPrzEJDcSqBa0OZQriA==",
             "requires": {
-                "glob": "^7.0.5"
+                "glob": "^7.1.3"
+            },
+            "dependencies": {
+                "glob": {
+                    "version": "7.1.3",
+                    "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.3.tgz",
+                    "integrity": "sha512-vcfuiIxogLV4DlGBHIUOwI0IbrJ8HWPc4MU7HzviGeNho/UJDfi6B5p3sHeWIQ0KGIU0Jpxi5ZHxemQfLkkAwQ==",
+                    "requires": {
+                        "fs.realpath": "^1.0.0",
+                        "inflight": "^1.0.4",
+                        "inherits": "2",
+                        "minimatch": "^3.0.4",
+                        "once": "^1.3.0",
+                        "path-is-absolute": "^1.0.0"
+                    }
+                }
             }
         },
         "semver": {
@@ -187,9 +202,9 @@
             }
         },
         "typescript": {
-            "version": "3.1.6",
-            "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.1.6.tgz",
-            "integrity": "sha512-tDMYfVtvpb96msS1lDX9MEdHrW4yOuZ4Kdc4Him9oU796XldPYF/t2+uKoX0BBa0hXXwDlqYQbXY5Rzjzc5hBA==",
+            "version": "3.2.4",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.2.4.tgz",
+            "integrity": "sha512-0RNDbSdEokBeEAkgNbxJ+BLwSManFy9TeXz8uW+48j/xhEXv1ePME60olyzw2XzUqUBNAYFeJadIqAgNqIACwg==",
             "dev": true
         },
         "wrappy": {
diff --git a/package.json b/package.json
index 8e0406d..933f477 100644
--- a/package.json
+++ b/package.json
@@ -5,19 +5,19 @@
     "main": "./index.js",
     "dependencies": {
         "node-fetch": "^2.3.0",
-        "rimraf": "^2.6.2",
+        "rimraf": "^2.6.3",
         "semver": "^5.6.0",
         "tmp": "^0.0.33",
         "yamljs": "^0.3.0"
     },
     "devDependencies": {
-        "@types/node": "^10.12.0",
+        "@types/node": "^10.12.19",
         "@types/node-fetch": "^2.1.4",
         "@types/rimraf": "^2.0.2",
         "@types/semver": "^5.5.0",
         "@types/tmp": "^0.0.33",
         "@types/yamljs": "^0.2.30",
-        "typescript": "^3.1.6"
+        "typescript": "^3.2.4"
     },
     "scripts": {
         "build": "tsc",