diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 702fffa..f3a7b7f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -36,7 +36,7 @@ package-backend:
     - docker run --name $PACKAGE_CONTAINER_NAME $CI_REGISTRY_IMAGE_GRADLE gradle buildBackend
     - docker cp $PACKAGE_CONTAINER_NAME:/usr/src/cre/dist/backend/ColorRecipesExplorer.jar ColorRecipesExplorer-$CI_PIPELINE_IID.jar
     - docker rm $PACKAGE_CONTAINER_NAME
-    - docker build -t $CI_REGISTRY_IMAGE_BACKEND --build-arg PORT=$BACKEND_PORT .
+    - docker build -t $CI_REGISTRY_IMAGE_BACKEND -f backend.Dockerfile --build-arg PORT=$BACKEND_PORT .
     - docker push $CI_REGISTRY_IMAGE_BACKEND
   artifacts:
     paths: