diff --git a/core/src/zeit/cms/__init__.py b/core/src/zeit/cms/__init__.py
index aec5174bf5..e8cd0b8529 100644
--- a/core/src/zeit/cms/__init__.py
+++ b/core/src/zeit/cms/__init__.py
@@ -1 +1 @@
-__version__ = '6.41.0'
+__version__ = '6.42.0.dev0'