diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 85698b5..90230e8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -33,6 +33,7 @@ postgres-service:
     POSTGRES_PASSWORD: password
     POSTGRES_DB: newsletter
     POSTGRES_HOST: postgres
+    POSTGRES_PORT: 5432
   script:
     - SKIP_DOCKER=true ./scripts/init_db.sh # Migrate DB