diff --git a/.github/workflows/check-supported-versions.yaml b/.github/workflows/check-supported-versions.yaml
index ac81aa17f0a..1871c7ea6a0 100644
--- a/.github/workflows/check-supported-versions.yaml
+++ b/.github/workflows/check-supported-versions.yaml
@@ -74,7 +74,9 @@ jobs:
         with:
           name: artifact
       - name: Run Ensures Script
+        shell: bash
         run: |
+          git config core.fileMode false
           mkdir -p modules/openapi-generator-cli/target/
           mv artifact/openapi-generator-cli.jar modules/openapi-generator-cli/target/
           ./bin/utils/ensure-up-to-date