diff --git a/resources/chaosknoten/keycloak/docker_compose/compose.yaml.j2 b/resources/chaosknoten/keycloak/docker_compose/compose.yaml.j2
index 3c0ad5c..d83f8b9 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@sha256:19bc493d2a1cb0fd9891c4ad5835cbe3e658a3a91f4f1d55c1bd9f02232105c6
+    image: docker.io/library/postgres:15.14@sha256:c7f254b1fa195a29a51e1febe4d09780b2cf10fa7e5431d699ab3d6d6a71b3e3
     restart: unless-stopped
     networks:
       - keycloak