diff --git a/.github/workflows/bump-k8s.yml b/.github/workflows/bump-k8s.yml
index 741da00cf..322c5a790 100644
--- a/.github/workflows/bump-k8s.yml
+++ b/.github/workflows/bump-k8s.yml
@@ -30,7 +30,10 @@ jobs:
       - name: Check for changes and update version
         id: changes
         run: |
-          echo "changes=$(git diff)" >> $GITHUB_OUTPUT
+          git_diff_output=$(git diff)
+          if [ -n "$git_diff_output" ]; then
+            echo "changes=true" >> $GITHUB_OUTPUT
+          fi
 
       - name: Create PR
         if: steps.changes.outputs.changes