diff --git a/.github/workflows/merge-mkdocs.yml b/.github/workflows/merge-mkdocs.yml
index 19ad8b5792..cde59dc8b1 100644
--- a/.github/workflows/merge-mkdocs.yml
+++ b/.github/workflows/merge-mkdocs.yml
@@ -14,6 +14,6 @@ jobs:
       - uses: actions/setup-python@v4
         with:
           python-version: 3.x
-      - run: pip install mkdocs-material
+      - run: pip install mkdocs-material==8.5.3
       - run: mkdocs gh-deploy --force
         working-directory: ./site
diff --git a/.github/workflows/pr-mkdocs.yml b/.github/workflows/pr-mkdocs.yml
index 974c5e1242..1fc09e79ed 100644
--- a/.github/workflows/pr-mkdocs.yml
+++ b/.github/workflows/pr-mkdocs.yml
@@ -14,6 +14,6 @@ jobs:
       - uses: actions/setup-python@v4
         with:
           python-version: 3.x
-      - run: pip install mkdocs-material
+      - run: pip install mkdocs-material==8.5.3
       - run: mkdocs build 
         working-directory: ./site