diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8d50721..72a3692 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -22,7 +22,7 @@ clear-old-images:
     - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
     - docker images
   script:
-    - docker rmi $(docker images | grep '$CI_REGISTRY_IMAGE')
+    - docker system prune -af
 build-app:
   extends: .build_template
   variables: