diff --git a/resources/chaosknoten/grafana/docker_compose/compose.yaml.j2 b/resources/chaosknoten/grafana/docker_compose/compose.yaml.j2
index ddeb43e6..57b1737d 100644
--- a/resources/chaosknoten/grafana/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/grafana/docker_compose/compose.yaml.j2
@@ -19,7 +19,7 @@ services:
       - prom_data:/prometheus
 
   alertmanager:
-    image: docker.io/prom/alertmanager:v0.34.1
+    image: docker.io/prom/alertmanager:v0.34.0
     container_name: alertmanager
     command:
       - '--config.file=/etc/alertmanager/alertmanager.yaml'