diff --git a/resources/chaosknoten/acmedns/docker_compose/compose.yaml.j2 b/resources/chaosknoten/acmedns/docker_compose/compose.yaml.j2
index 4681da82..0100577c 100644
--- a/resources/chaosknoten/acmedns/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/acmedns/docker_compose/compose.yaml.j2
@@ -2,7 +2,7 @@
 services:
   oauth2-proxy:
     container_name: oauth2-proxy
-    image: quay.io/oauth2-proxy/oauth2-proxy:v7.15.4
+    image: quay.io/oauth2-proxy/oauth2-proxy:v7.15.5
     command: --config /oauth2-proxy.cfg
     hostname: oauth2-proxy
     volumes:
diff --git a/resources/chaosknoten/lists/docker_compose/compose.yaml.j2 b/resources/chaosknoten/lists/docker_compose/compose.yaml.j2
index 7a109e8c..572b6dfc 100644
--- a/resources/chaosknoten/lists/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/lists/docker_compose/compose.yaml.j2
@@ -62,7 +62,7 @@ services:
       - POSTGRES_DB=mailmandb
       - POSTGRES_USER=mailman
       - "POSTGRES_PASSWORD={{ secret__lists__postgres_password }}"
-    image: docker.io/library/postgres:12-alpine
+    image: docker.io/library/postgres:15-alpine
     volumes:
       - /opt/mailman/database:/var/lib/postgresql/data
     networks: