diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 8020b83..e629d94 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -15,6 +15,6 @@ jobs:
         uses: actions/checkout@v1
 
       - name: Deploy to GH Pages
-        uses: mhausenblas/mkdocs-deploy-gh-pages@1.15
+        uses: mhausenblas/mkdocs-deploy-gh-pages@5498449
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}