diff --git a/resources/chaosknoten/keycloak/docker_compose/compose.yaml.j2 b/resources/chaosknoten/keycloak/docker_compose/compose.yaml.j2
index d83f8b9..383087d 100644
--- a/resources/chaosknoten/keycloak/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/keycloak/docker_compose/compose.yaml.j2
@@ -46,7 +46,7 @@ services:
       - "8080:8080"
 
   db:
-    image: docker.io/library/postgres:15.14@sha256:c7f254b1fa195a29a51e1febe4d09780b2cf10fa7e5431d699ab3d6d6a71b3e3
+    image: docker.io/library/postgres:15.14@sha256:822f8795764a670160640888508b2a68ea5c4b045012c2de17e1d0447bdbdc99
     restart: unless-stopped
     networks:
       - keycloak