diff --git a/docs/source/conf.py b/docs/source/conf.py
index 466744ae..3f4b5d65 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -26,7 +26,7 @@
 author = "Frank Lumpitzsch, Claas Rostock, Seung Hyeon Yoo"
 
 # The full version, including alpha/beta/rc tags
-release = "0.3.0b4"
+release = "0.3.0b5"
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
diff --git a/pyproject.toml b/pyproject.toml
index e2353e9f..833f346f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ packages = [
 
 [project]
 name = "ospx"
-version = "0.3.0b4"
+version = "0.3.0b5"
 description = "Extension package to farn, adding support to build OSP simulation cases using FMUs."
 readme = "README.md"
 requires-python = ">= 3.10"