diff --git a/docker-compose.yml b/docker-compose.yml
index 4b0bc7f..6343ea3 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:a426e44bac0b759c95894d68e1a0ac03ecc20b619f498a91aae373bf06d8508d
     environment:
       - POSTGRES_USER=postgres
       - POSTGRES_PASSWORD=postgres