diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index 0f3a4d3..5c6662a 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -13,7 +13,7 @@ jobs:
 
     services:
       postgres:
-        image: postgres:18-alpine@sha256:6c538e7206ea40ff740ef27883529390a690b6ead6ba96b44c67a9f7c638e8fd
+        image: postgres:18-alpine@sha256:77f585114c32fbca283dc835b0596f4e52b51b4c6662d7810b2f4084f60a1873
         env:
           POSTGRES_DB: constraint_engine_test
           POSTGRES_USER: app
diff --git a/compose.yaml b/compose.yaml
index 90354e9..9075403 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -31,7 +31,7 @@ services:
     restart: unless-stopped
 
   db:
-    image: postgres:18-alpine@sha256:6c538e7206ea40ff740ef27883529390a690b6ead6ba96b44c67a9f7c638e8fd
+    image: postgres:18-alpine@sha256:77f585114c32fbca283dc835b0596f4e52b51b4c6662d7810b2f4084f60a1873
     environment:
       POSTGRES_DB: constraint_engine
       POSTGRES_USER: ${DB_USER:-app}