diff --git a/docker-compose.yml b/docker-compose.yml
index 4b0bc7f..e31d7fe 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,7 +1,7 @@
 services:
   postgres:
     container_name: feedback-local-postgres
-    image: postgres:17
+    image: postgres:17@sha256:5c855ad7b85e68e48a62f34662853f38b57c1c1d80f3a927ab58034fd6d31c5e
     environment:
       - POSTGRES_USER=postgres
       - POSTGRES_PASSWORD=postgres