diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 3b4c2d4ba..bd7f38447 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "4.1.0"
+  ".": "4.2.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a79e6baea..ab654ba53 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+## [4.2.0](https://github.com/rickstaa/stable-learning-control/compare/v4.1.0...v4.2.0) (2023-08-08)
+
+
+### Features
+
+* improve hyperparmeter tuning, logger and add W&B logging ([#314](https://github.com/rickstaa/stable-learning-control/issues/314)) ([74afd65](https://github.com/rickstaa/stable-learning-control/commit/74afd658bcd22579221b5f51c9e5d074f1929857))
+
 ## [4.1.0](https://github.com/rickstaa/stable-learning-control/compare/v4.0.10...v4.1.0) (2023-08-02)
 
 
diff --git a/package.json b/package.json
index a1edc266f..30bc30af6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "stable-learning-control",
-  "version": "4.1.0",
+  "version": "4.2.0",
   "description": "A framework for training theoretically stable (and robust) Reinforcement Learning control algorithms.",
   "keywords": [
     "reinforcement-learning",
diff --git a/stable_learning_control/version.py b/stable_learning_control/version.py
index abfc6b658..07c2c2195 100644
--- a/stable_learning_control/version.py
+++ b/stable_learning_control/version.py
@@ -1,3 +1,3 @@
 # Stores the package version number so that it can be accessed from other modules.
-__version__ = "4.1.0"
+__version__ = "4.2.0"
 __version_tuple__ = __version__.split(".")