diff --git a/resources/chaosknoten/lists/docker_compose/compose.yaml.j2 b/resources/chaosknoten/lists/docker_compose/compose.yaml.j2
index db605b57..8de14d9b 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:14-alpine
     volumes:
       - /opt/mailman/database:/var/lib/postgresql/data
     networks:
diff --git a/roles/alloy/tasks/install.yaml b/roles/alloy/tasks/install.yaml
index 68b29637..438e5d5a 100644
--- a/roles/alloy/tasks/install.yaml
+++ b/roles/alloy/tasks/install.yaml
@@ -5,7 +5,7 @@
     name: grafana
     types: deb
     uris: https://apt.grafana.com
-    suites: "{{ ansible_facts['distribution_release'] }}"
+    suites: stable
     components:
       - main
     signed_by: https://apt.grafana.com/gpg.key