diff --git a/ci-dockerfiles-deployment/cleanup-update.sh b/ci-dockerfiles-deployment/cleanup-update.sh
index 7506527..53d5210 100644
--- a/ci-dockerfiles-deployment/cleanup-update.sh
+++ b/ci-dockerfiles-deployment/cleanup-update.sh
@@ -11,4 +11,7 @@
 done
 
 echo cleaning up
-docker system prune
+# cleans up non-running containers, unused networks
+docker container prune -f
+# clean up *dangling* images
+docker image prune -f