diff --git a/resources/chaosknoten/ccchoir/docker_compose/compose.yaml.j2 b/resources/chaosknoten/ccchoir/docker_compose/compose.yaml.j2
index ffe491b..14fdef4 100644
--- a/resources/chaosknoten/ccchoir/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/ccchoir/docker_compose/compose.yaml.j2
@@ -17,7 +17,7 @@ services:
     restart: unless-stopped
 
   app:
-    image: docker.io/library/wordpress:6-php8.1@sha256:75f79f9c45a587b283e47fd21c6e51077d0c9dbbba529377faaa0c28d5b8f5a4
+    image: docker.io/library/wordpress:6-php8.1@sha256:84ba4f4e5590e07dbe4797b508e221b85a1a4338dc1de61b1bda56801566cfbc
     environment:
       - "WORDPRESS_DB_HOST=database"
       - "WORDPRESS_DB_NAME=wordpress"
diff --git a/resources/chaosknoten/keycloak/docker_compose/compose.yaml.j2 b/resources/chaosknoten/keycloak/docker_compose/compose.yaml.j2
index d91a254..3c0ad5c 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@sha256:424e79b81868f5fc5cf515eaeac69d288692ebcca7db86d98f91b50d4bce64bb
+    image: docker.io/library/postgres:15.14@sha256:19bc493d2a1cb0fd9891c4ad5835cbe3e658a3a91f4f1d55c1bd9f02232105c6
     restart: unless-stopped
     networks:
       - keycloak
diff --git a/resources/chaosknoten/pretalx/docker_compose/compose.yaml.j2 b/resources/chaosknoten/pretalx/docker_compose/compose.yaml.j2
index 243a468..874e785 100644
--- a/resources/chaosknoten/pretalx/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/pretalx/docker_compose/compose.yaml.j2
@@ -23,7 +23,7 @@ services:
       - pretalx_net
 
   static:
-    image: docker.io/library/nginx:1.29.3@sha256:f547e3d0d5d02f7009737b284abc87d808e4252b42dceea361811e9fc606287f
+    image: docker.io/library/nginx:1.29.3@sha256:1beed3ca46acebe9d3fb62e9067f03d05d5bfa97a00f30938a0a3580563272ad
     restart: unless-stopped
     volumes:
       - public:/usr/share/nginx/html