diff --git a/.github/workflows/version-check.yml b/.github/workflows/version-check.yml
index 95fc33a..ac614c2 100644
--- a/.github/workflows/version-check.yml
+++ b/.github/workflows/version-check.yml
@@ -27,6 +27,6 @@ jobs:
     uses: ATR-Lab/.github/.github/workflows/docs-version-updater.yml@main
     with:
       paths: ${{ inputs.paths || 'README.md docs/*.md' }}
-      max-files: ${{ inputs.max-files || 0 }}
+      max-files: ${{ fromJSON(format('{0}', inputs.max-files || 0)) }}
     secrets:
       ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY_ATR_LAB_DOC_UPDATER }}