diff --git a/docker-compose.yml b/docker-compose.yml
index 9c7dccd..999ecb9 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -44,7 +44,7 @@ services:
       - client:/mattermost/client/plugins
       - indexes:/mattermost/bleve-indexes
   postgres:
-    image: postgres:13-alpine
+    image: postgres:18-alpine
     pull_policy: if_not_present
     container_name: chat-db
     restart: unless-stopped