diff --git a/.github/workflows/pre-release.yml b/.github/workflows/pre-release.yml
index 9a7ea1d..18156e9 100644
--- a/.github/workflows/pre-release.yml
+++ b/.github/workflows/pre-release.yml
@@ -47,8 +47,8 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: setup upterm session
-        uses: lhotari/action-upterm@v1
+#      - name: setup upterm session
+#        uses: lhotari/action-upterm@v1
 
       - name: check for changes in helm-chart directory
         id: check_changes
@@ -56,15 +56,14 @@ jobs:
           # fetch all
           git fetch --all
 
-          # get the base commit (before the merge)
-          BASE_COMMIT=$(git merge-base HEAD origin/main)
-
-          # get the list of files changed in the pull request
-          CHANGED_FILES=$(git diff --name-only $BASE_COMMIT HEAD)
+          # get the list of files changed in the pull request compared to the last commit
+          CHANGED_FILES=$(git diff --name-only HEAD~)
 
           # check if any files in the helm-chart/ directory have changed
-          if echo "$CHANGED_FILES" | grep -q "^helm-chart/"; then
-            echo "Changes detected in the helm-chart/ directory."
+          echo "$CHANGED_FILES" | grep -q "^helm-chart/";
+          if [ $? -eq 0 ]; then
+            echo
+          "Changes detected in the helm-chart/ directory."
             echo "continue=true" >> $GITHUB_OUTPUT
           else
             echo "No changes detected in the helm-chart/ directory. Exiting."
@@ -72,7 +71,6 @@ jobs:
             exit 0
           fi
 
-
       - name: determine version increment
         if: steps.check_label.outputs.continue == 'true' && steps.check_changes.outputs.continue == 'true'
         id: determine-version