diff --git a/docspell/postgres/statefulset.yaml b/docspell/postgres/statefulset.yaml
index 9ac4fa9..705b104 100644
--- a/docspell/postgres/statefulset.yaml
+++ b/docspell/postgres/statefulset.yaml
@@ -21,7 +21,7 @@ spec:
       terminationGracePeriodSeconds: 10
       containers:
         - name: postgres
-          image: docker.io/postgres:13.5
+          image: docker.io/postgres:13.6
           imagePullPolicy: IfNotPresent
           ports:
             - name: postgres
diff --git a/miniflux/postgres/statefulset.yaml b/miniflux/postgres/statefulset.yaml
index 987c89b..f78d629 100644
--- a/miniflux/postgres/statefulset.yaml
+++ b/miniflux/postgres/statefulset.yaml
@@ -20,7 +20,7 @@ spec:
       terminationGracePeriodSeconds: 10
       containers:
         - name: postgres
-          image: docker.io/postgres:13.5
+          image: docker.io/postgres:13.6
           imagePullPolicy: IfNotPresent
           ports:
             - name: postgres