diff --git a/server/openslides/__init__.py b/server/openslides/__init__.py
index f47130233..3dcff1548 100644
--- a/server/openslides/__init__.py
+++ b/server/openslides/__init__.py
@@ -1,6 +1,6 @@
 __author__ = "OpenSlides Team <support@openslides.org>"
 __description__ = "Presentation and assembly system"
-__version__ = "3.4"
+__version__ = "3.4.1-master"
 __license__ = "MIT"
 __url__ = "https://openslides.com"