diff --git a/installations/applications/helmfile-badhouseplants.yaml b/installations/applications/helmfile-badhouseplants.yaml
index f587ca5..6fb1a79 100644
--- a/installations/applications/helmfile-badhouseplants.yaml
+++ b/installations/applications/helmfile-badhouseplants.yaml
@@ -69,7 +69,7 @@ releases:
       - template: ext-database
   - name: stalwart
     chart: allangers-charts/stalwart
-    version: 0.3.0
+    version: 0.4.0
     namespace: applications
     inherit:
       - template: default-env-values