diff --git a/.github/workflows/CI-CD.yml b/.github/workflows/CI-CD.yml
index 9f96a88..3251b48 100644
--- a/.github/workflows/CI-CD.yml
+++ b/.github/workflows/CI-CD.yml
@@ -23,6 +23,13 @@ jobs:
       deploy: ${{ steps.set-deploy.outputs.DEPLOY }}
       environment: ${{ steps.set-deploy.outputs.ENVIRONMENT }}
     steps:
+      - name: Validate release target branch
+        if: ${{ github.event_name == 'release' }}
+        run: |
+          if [[ "${{ github.event.release.target_commitish }}" != "main" ]]; then
+            echo "Release target branch is not main"
+            exit 1
+          fi
       - name: Set tag version
         id: set-tag-version
         shell: bash