diff --git a/docker-compose.yml b/docker-compose.yml
index 95d73d6..5a93575 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -30,7 +30,7 @@ services:
       - 8448:8448/tcp
 
   db:
-    image: docker.io/postgres:17-alpine
+    image: docker.io/postgres:18-alpine
     user: "1000"
     environment:
       - POSTGRES_USER=synapse