diff --git a/.github/workflows/container.yml b/.github/workflows/container.yml
index faaaeea..89f1cf0 100644
--- a/.github/workflows/container.yml
+++ b/.github/workflows/container.yml
@@ -41,7 +41,7 @@ jobs:
         sudo swapoff -a
         sudo rm -f /swapfile
         sudo apt clean
-        docker rmi $(docker image ls -aq)
+        docker system prune
         df -h
 
     - name: cleanup old action artifacts