diff --git a/CHANGELOG.md b/CHANGELOG.md
index 166f5fdc..4d62001b 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.
 
+### [0.5.1](https://github.com/rickstaa/simzoo/compare/v0.5.0...v0.5.1) (2023-05-30)
+
+
+### Bug Fixes
+
+* **envs:** fix some upstream deprication issues ([d2b2be5](https://github.com/rickstaa/simzoo/commit/d2b2be5b7084ba346dd0ea7f6d512df8b2316418))
+
 ## [0.5.0](https://github.com/rickstaa/simzoo/compare/v0.4.93...v0.5.0) (2023-05-30)
 
 
diff --git a/package.json b/package.json
index e0f2ad63..55d97670 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "simzoo",
-  "version": "0.5.0",
+  "version": "0.5.1",
   "description": "Package that contains the gym environments of the bayesian-learning-control package.",
   "keywords": [
     "reinforcement-learning",
diff --git a/setup.cfg b/setup.cfg
index 7a5227ad..ee90a393 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = simzoo
-version = 0.5.0
+version = 0.5.1
 description = A python package containing the bayesian_learning_control openai gym environments.
 long_description = file: README.md, CHANGELOG.md, LICENSE
 long_description_content_type=text/markdown
diff --git a/simzoo/version.py b/simzoo/version.py
index bf51a669..d770861e 100644
--- a/simzoo/version.py
+++ b/simzoo/version.py
@@ -1,6 +1,6 @@
 # coding: utf-8
 """The simzoo version."""
-version = "0.5.0"
+version = "0.5.1"
 __version__ = version
 # format:
 # ('mlc_major', 'mlc_minor', 'mlc_patch')