diff --git a/stack/docker-compose.yml b/stack/docker-compose.yml
index d8dc3c225..e17f33ced 100644
--- a/stack/docker-compose.yml
+++ b/stack/docker-compose.yml
@@ -2,7 +2,7 @@ name: raumreservierung-stack
 
 services:
   postgres:
-    image: postgres:17.4-alpine3.21@sha256:7062a2109c4b51f3c792c7ea01e83ed12ef9a980886e3b3d380a7d2e5f6ce3f5
+    image: postgres:17.7-alpine3.21@sha256:5bcb5623bb6999b2f7fbd2109f0bfc1f144d138b52ca35ede95d644d93585c2f
     environment:
       - POSTGRES_DB=postgres
       - POSTGRES_USER=admin