diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index d5b0a83..0f3a4d3 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:d3e1620b530c944afa6e887d22eb899824da68e19c52024bf98f5220c88a65b2
+        image: postgres:18-alpine@sha256:6c538e7206ea40ff740ef27883529390a690b6ead6ba96b44c67a9f7c638e8fd
         env:
           POSTGRES_DB: constraint_engine_test
           POSTGRES_USER: app
diff --git a/compose.yaml b/compose.yaml
index 5c343bb..90354e9 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -31,7 +31,7 @@ services:
     restart: unless-stopped
 
   db:
-    image: postgres:18-alpine@sha256:d3e1620b530c944afa6e887d22eb899824da68e19c52024bf98f5220c88a65b2
+    image: postgres:18-alpine@sha256:6c538e7206ea40ff740ef27883529390a690b6ead6ba96b44c67a9f7c638e8fd
     environment:
       POSTGRES_DB: constraint_engine
       POSTGRES_USER: ${DB_USER:-app}