diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index a8b77b3..a9dc02b 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -29,7 +29,7 @@ jobs:
 
       - name: Copying files
         run: |
-          cp LICENSE doc/topics/LICENSE
+          sudo cp LICENSE doc/topics/LICENSE
       
       - name: Deploy documentation to gh-pages
         uses: peaceiris/actions-gh-pages@v4