diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 107062292..7af503596 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -18,7 +18,7 @@ jobs:
           python-version: '3.8'
           architecture: 'x64'
       - run: pip install mkdocs
-      - run: pip install mkdocs-material=="9.*" 
+      - run: pip install mkdocs-material=="9.0.4" 
       - run: pip install mkdocs-git-revision-date-localized-plugin
       - run: pip install mkdocs-redirects
       - run: cd documentation/src; mkdocs build --clean
diff --git a/documentation/scripts/mkdocs/install.sh b/documentation/scripts/mkdocs/install.sh
index 2ab3bf588..309223125 100755
--- a/documentation/scripts/mkdocs/install.sh
+++ b/documentation/scripts/mkdocs/install.sh
@@ -1,5 +1,5 @@
 pip3 install mkdocs
-pip3 install mkdocs-material=="9.*" 
+pip3 install mkdocs-material=="9.0.4" 
 pip3 install mkdocs-git-revision-date-localized-plugin
 pip3 install mkdocs-redirects
 
diff --git a/documentation/src/mkdocs.yml b/documentation/src/mkdocs.yml
index cfd8f0019..b47d93937 100644
--- a/documentation/src/mkdocs.yml
+++ b/documentation/src/mkdocs.yml
@@ -35,6 +35,6 @@ markdown_extensions:
   - pymdownx.tabbed
   - pymdownx.details
   - pymdownx.emoji:
-      #emoji_index: !!python/name:materialx.emoji.twemoji
-      #emoji_generator: !!python/name:materialx.emoji.to_svg
+      emoji_index: !!python/name:materialx.emoji.twemoji
+      emoji_generator: !!python/name:materialx.emoji.to_svg
   - footnotes
\ No newline at end of file