diff --git a/.github/workflows/build_wiki.yml b/.github/workflows/build_wiki.yml
index 729445e..8276f2f 100644
--- a/.github/workflows/build_wiki.yml
+++ b/.github/workflows/build_wiki.yml
@@ -17,6 +17,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          ref: mkdocs
       - name: Configure Git Credentials
         run: |
           git config user.name github-actions[bot]