diff --git a/docs/source/conf.py b/docs/source/conf.py
index 951900b7..bec2ee59 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 = "0.3.0b1"
+release = "0.3.0b3"
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
diff --git a/pyproject.toml b/pyproject.toml
index 1e31ee5a..594220f0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ packages = [
 
 [project]
 name = "ospx"
-version = "0.3.0b1"
+version = "0.3.0b3"
 description = "Extension package to farn, adding support to build OSP simulation cases using FMUs."
 readme = "README.md"
 requires-python = ">= 3.10"
@@ -57,7 +57,7 @@ dependencies = [
     "pandas>=2.2",
     "matplotlib>=3.9",
     "graphviz>=0.20",
-    "dictIO>=0.4.0b2",
+    "dictIO>=0.4.0b9",
 ]
 
 [project.urls]