diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 83283990..12d30390 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = v0.3.4
+current_version = v0.3.5
 commit = True
 message = :bookmark: Bump version: {current_version} → {new_version}
 tag = True
diff --git a/package.json b/package.json
index 7444bfa6..3a16a243 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Simzoo",
-  "version": "0.3.4",
+  "version": "0.3.5",
   "repository": {
     "type": "git",
     "url": "git@github.com:rickstaa/simzoo.git"
diff --git a/setup.cfg b/setup.cfg
index e2fd7f69..2f540276 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = simzoo
-version = 0.3.4
+version = 0.3.5
 description = A python package containing the machine_learning_control openai gym environments.
 long_description = file: README.md, CHANGELOG.md, LICENSE.md
 long_description_content_type=text/markdown
diff --git a/simzoo/version.py b/simzoo/version.py
index 91e5c30f..85ce8a99 100644
--- a/simzoo/version.py
+++ b/simzoo/version.py
@@ -1,5 +1,5 @@
 # coding: utf-8
-version = "0.3.4"
+version = "0.3.5"
 __version__ = version
 # format:
 # ('mlc_major', 'mlc_minor', 'mlc_patch')