diff --git a/docker-compose.yml b/docker-compose.yml
index 22c1531..447dd3e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -40,7 +40,7 @@ services:
       - db
 
   db:
-    image: postgres:17.5@sha256:cb51e9f73d5b6fd77340999cc0fdfcf56a1d580daa6f4c2f6c72264993e6de34
+    image: postgres:17.5@sha256:6cf6142afacfa89fb28b894d6391c7dcbf6523c33178bdc33e782b3b533a9342
     restart: unless-stopped
     environment:
       - POSTGRES_USER=${DC_MATRIX_POSTGRES_USER:-synapse}