diff --git a/plinth/modules/radicale/__init__.py b/plinth/modules/radicale/__init__.py
index 8d26e9771..5846f3d1a 100644
--- a/plinth/modules/radicale/__init__.py
+++ b/plinth/modules/radicale/__init__.py
@@ -34,7 +34,7 @@ from plinth.utils import format_lazy
 
 from .manifest import backup, clients
 
-version = 1
+version = 2
 
 service = None