diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 0b06fef6..bba0c295 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.20.2"
+  ".": "0.20.3"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f306513c..b9964816 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.
 
+## [0.20.3](https://github.com/rickstaa/stable-gym/compare/v0.20.2...v0.20.3) (2023-08-31)
+
+
+### Documentation
+
+* improve docs ([#313](https://github.com/rickstaa/stable-gym/issues/313)) ([add4280](https://github.com/rickstaa/stable-gym/commit/add42808c921881095bddd7d2ab45279c9da99ec))
+
 ## [0.20.2](https://github.com/rickstaa/stable-gym/compare/v0.20.1...v0.20.2) (2023-08-31)
 
 
diff --git a/package.json b/package.json
index 99f7ddc3..6de8a635 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "stable-gym",
-  "version": "0.20.2",
+  "version": "0.20.3",
   "description": "Contains several gymnasium environments with cost functions compatible with (stable) RL agents (i.e. positive definite).",
   "keywords": [
     "reinforcement-learning",
diff --git a/stable_gym/version.py b/stable_gym/version.py
index 4afe4df8..3964b996 100644
--- a/stable_gym/version.py
+++ b/stable_gym/version.py
@@ -1,3 +1,3 @@
 # Stores the package version number so that it can be accessed from other modules.
-__version__ = "0.20.2"
+__version__ = "0.20.3"
 __version_tuple__ = __version__.split(".")