diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 718c5a12..807ee8ca 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
       - uses: actions/setup-python@v4
         with:
           python-version: 3.x
-      - run: pip install git+https://${GH_TOKEN}@github.com/squidfunk/mkdocs-material-insiders.git
+      - run: pip install git+https://${GH_TOKEN}@github.com/squidfunk/mkdocs-material-insiders.git@9.1.21-insiders-4.37.1
       # - run: pip install mkdocs-git-revision-date-localized-plugin
       # Untill my PR is merged
       # - run: pip install mkdocs-charts-plugin