diff --git a/.github/workflows/.mkdocs-deploy.yml b/.github/workflows/.mkdocs-deploy.yml
index 4ac3af38..2ac77198 100644
--- a/.github/workflows/.mkdocs-deploy.yml
+++ b/.github/workflows/.mkdocs-deploy.yml
@@ -13,7 +13,7 @@ jobs:
         with:
           python-version: '3.10' 
       - name: install mkdocs-material
-        run: pip install mkdocs-material 
+        run: pip install mkdocs-material==9.5.26 
       - name: build mkdocs
         env:
             GOOGLE_ANALYTICS_KEY: ${{secrets.GOOGLE_ANALYTICS_KEY}}
diff --git a/README.md b/README.md
index d16b9e18..b7e3820a 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ This documentation uses the [**materials** theme](https://squidfunk.github.io/mk
 
 **Intall all dependencies**:
 ```bash
-python3 -m pip install mkdocs-material
+python3 -m pip install mkdocs-material==9.5.26
 ```
 
 **Local preview with hot reloading**: