diff --git a/docker-compose.yml b/docker-compose.yml
index b6dd1ac..fd481b4 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -132,7 +132,7 @@ services:
       - ./alertbot_data/config.yaml:/var/www/alertbot/config.yaml:ro
 
   prometheus-alertmanager:
-    image: prom/alertmanager:v0.21.0
+    image: prom/alertmanager:v0.23.0
     restart: always
     volumes:
       - ./prometheus-alertmanager/alertmanager.yml:/etc/alertmanager/alertmanager.yml:ro