diff --git a/openandroidinstaller/openandroidinstaller.py b/openandroidinstaller/openandroidinstaller.py
index cff1b28e..a6680738 100644
--- a/openandroidinstaller/openandroidinstaller.py
+++ b/openandroidinstaller/openandroidinstaller.py
@@ -56,7 +56,7 @@
 logger.add("openandroidinstaller.log")
 
 # VERSION number
-VERSION = "0.3.4-alpha"
+VERSION = "0.4.0-beta"
 
 # detect platform
 PLATFORM = sys.platform
diff --git a/pyproject.toml b/pyproject.toml
index 6afeb540..a698a6bf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "openandroidinstaller"
-version = "0.3.4-alpha"
+version = "0.4.0-beta"
 description = "Install lineage OS in a nice and easy way."
 authors = ["Tobias Sterbak <hello@openandroidinstaller.org>"]
 license = "GPLv3"