diff --git a/charts/radicale/values.yaml b/charts/radicale/values.yaml
index e5b1182..3134552 100644
--- a/charts/radicale/values.yaml
+++ b/charts/radicale/values.yaml
@@ -7,7 +7,7 @@
 
 image:
   repository: docker.io/tomsquest/docker-radicale
-  tag: ""
+  tag: "@sha256:6ab305311e7dd743a03ab198f753c4264f01402935a01195e04278a55d2d44e9"
   pullPolicy: Always
 
 env: