diff --git a/.github/workflows/main-build-4testing.yml b/.github/workflows/main-build-4testing.yml
index a578473d946..f5a8d8bc95b 100644
--- a/.github/workflows/main-build-4testing.yml
+++ b/.github/workflows/main-build-4testing.yml
@@ -46,6 +46,11 @@ jobs:
         run: |
           sudo rm -rf /usr/local/lib/android /opt/ghc
           sudo docker image prune --all --force
+      
+      - name: Show free space
+        run: |
+          echo "Free space:"
+          df -h
 
       - name: Login to DockerHub
         uses: docker/login-action@v2