diff --git a/packages/contentful-extension-scripts/CHANGELOG.md b/packages/contentful-extension-scripts/CHANGELOG.md
index b2c5503..f2cf16e 100644
--- a/packages/contentful-extension-scripts/CHANGELOG.md
+++ b/packages/contentful-extension-scripts/CHANGELOG.md
@@ -3,6 +3,17 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+# [0.12.0](https://github.com/contentful/create-contentful-extension/compare/@contentful/contentful-extension-scripts@0.11.0...@contentful/contentful-extension-scripts@0.12.0) (2019-07-02)
+
+
+### Features
+
+* add build-in Jest for testing ([#38](https://github.com/contentful/create-contentful-extension/issues/38)) ([6eb49ce](https://github.com/contentful/create-contentful-extension/commit/6eb49ce))
+
+
+
+
+
 # [0.11.0](https://github.com/contentful/create-contentful-extension/compare/@contentful/contentful-extension-scripts@0.10.0...@contentful/contentful-extension-scripts@0.11.0) (2019-06-24)
 
 
diff --git a/packages/contentful-extension-scripts/package.json b/packages/contentful-extension-scripts/package.json
index d23a803..00cfd60 100644
--- a/packages/contentful-extension-scripts/package.json
+++ b/packages/contentful-extension-scripts/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@contentful/contentful-extension-scripts",
-  "version": "0.11.0",
+  "version": "0.12.0",
   "description": "Configuration and scripts for Create Contentful Extension",
   "keywords": [
     "contentful",
@@ -33,19 +33,19 @@
     "url": "https://github.com/contentful/create-contentful-extension/issues"
   },
   "dependencies": {
-    "identity-obj-proxy": "3.0.0",
+    "babel-jest": "^24.8.0",
     "chalk": "2.4.2",
     "cross-spawn": "6.0.5",
     "fs-extra": "7.0.1",
     "htmlnano": "0.2.3",
-    "babel-jest": "^24.8.0",
+    "identity-obj-proxy": "3.0.0",
     "jest": "^24.8.0",
     "jest-watch-typeahead": "^0.3.1",
-    "ts-jest": "^24.0.2",
     "parcel-bundler": "1.12.3",
     "parcel-plugin-url-loader": "1.3.1",
     "posthtml": "0.11.4",
     "posthtml-inline-assets": "3.0.0",
+    "ts-jest": "^24.0.2",
     "typescript": "^3.5.2",
     "yargs": "13.2.4"
   },