diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 097e084..839fa31 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -19,7 +19,7 @@ jobs:
 
     services:
       postgres:
-        image: postgres:12
+        image: postgres:13-alpine
         env:
           POSTGRES_USER: ${{ env.POSTGRES_USER }}
           POSTGRES_PASSWORD: ${{ env.POSTGRES_PASSWORD }}
diff --git a/docker-compose.yml b/docker-compose.yml
index 55e54d8..6e74ec8 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,6 +1,6 @@
 services:
   postgres:
-    image: postgres:13
+    image: postgres:13-alpine
     environment:
       POSTGRES_HOST_AUTH_METHOD: trust
       POSTGRES_DB: modelutils