diff --git a/Build/package.json b/Build/package.json
index 842c473..8001329 100644
--- a/Build/package.json
+++ b/Build/package.json
@@ -5,7 +5,7 @@
     "readme": "../README.md",
     "homepage": "http://www.bk2k.info",
     "author": "Benjamin Kott",
-    "version": "1.2.0-dev",
+    "version": "1.2.1",
     "license": "GPL-2.0-or-later",
     "devDependencies": {
         "grunt": "^1.1.0",
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0b5f268..465908c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,9 +1,28 @@
+# 1.2.1
+
+## TASK
+
+- [TASK] Update all dependencies 37507bd
+- [TASK] Update dependencies de09572
+
+## BUGFIX
+
+- [BUGFIX] Do not use $_EXTKEY 40d160f
+
+# 1.2.0
+
+## FEATURE
+
+- [FEATURE] Add CKEditor Plugin (#2) 733abe7
+
 # 1.1.0
 
 ## FEATURE
+
 - [FEATURE] Only load prism.js if code elements are present on page 82d1545
 
 ## TASK
+
 - [TASK] Add description to readme df5d845
 - [TASK] Use github-actions 53c0e5b
 - [TASK] Improve dev environment 286720f
@@ -14,11 +33,13 @@
 # 1.0.1
 
 ## TASK
+
 - [TASK] Release 1.0.1 bf3aab3
 - [TASK] Add TYPO3 8.7 to supported versions. 3ebac34
 
 # 1.0.0
 
 ## TASK
+
 - [TASK] Release 1.0.0 3652f46
 
diff --git a/ext_emconf.php b/ext_emconf.php
index 47806ad..e5230bf 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -29,5 +29,5 @@
     'author' => 'Benjamin Kott',
     'author_email' => 'info@bk2k.info',
     'author_company' => 'private',
-    'version' => '1.2.0-dev',
+    'version' => '1.2.1',
 ];