diff --git a/CHANGELOG.md b/CHANGELOG.md
index 627014a0..773ea68c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,15 @@
 # Changelog
+## --- [4.2.1] - 2023/TBD
+### New features
+TBD
+### Bug fixes
+TBD
+### Tweaks
+TBD
+### Lang
+TBD
+<br><br>
+
 ## --- [4.2.0] - 2023/10/18
 ### New features
 - Finish and Activate Arcadia notification backend ([Merge Request](https://gitlab.com/crafty-controller/crafty-4/-/merge_requests/621) | [Merge Request](https://gitlab.com/crafty-controller/crafty-4/-/merge_requests/626) | [Merge Request](https://gitlab.com/crafty-controller/crafty-4/-/merge_requests/632))
diff --git a/README.md b/README.md
index 5d2379c8..a805eca7 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 [![Crafty Logo](app/frontend/static/assets/images/logo_long.svg)](https://craftycontrol.com)
-# Crafty Controller 4.2.0
+# Crafty Controller 4.2.1
 > Python based Control Panel for your Minecraft Server
 
 ## What is Crafty Controller?
diff --git a/app/config/version.json b/app/config/version.json
index 6c1274e0..47d57814 100644
--- a/app/config/version.json
+++ b/app/config/version.json
@@ -1,5 +1,5 @@
 {
   "major": 4,
   "minor": 2,
-  "sub": 0
+  "sub": 1
 }
diff --git a/sonar-project.properties b/sonar-project.properties
index 1a11b1fd..210aa767 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -3,7 +3,7 @@ sonar.organization=crafty-controller
 
 # This is the name and version displayed in the SonarCloud UI.
 sonar.projectName=Crafty 4
-sonar.projectVersion=4.2.0
+sonar.projectVersion=4.2.1
 sonar.python.version=3.9, 3.10, 3.11
 sonar.exclusions=app/migrations/**, app/frontend/static/assets/vendors/**