diff --git a/docs/source/conf.py b/docs/source/conf.py
index 2ea1689..9e287a2 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -10,7 +10,7 @@
 project = "tSimCNE"
 copyright = "2023, Nik Böhm"
 author = "Nik Böhm"
-release = "0.3.12"
+release = "0.4.0"
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
diff --git a/tsimcne/__init__.py b/tsimcne/__init__.py
index 1d938ff..fc9a1c2 100644
--- a/tsimcne/__init__.py
+++ b/tsimcne/__init__.py
@@ -1,3 +1,3 @@
 from .tsimcne import PLtSimCNE, TSimCNE
 
-__version__ = "0.3.12"
+__version__ = "0.4.0"