diff --git a/mkdocs.yml b/mkdocs.yml
index 55e36fb..34020d6 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -23,7 +23,7 @@ theme:
     - navigation.tabs.sticky
 markdown_extensions:
   - pymdownx.emoji:
-      emoji_index: !!python/name:materialx.emoji.twemoji
+      emoji_index: !!python/name:material.extensions.emoji.twemoji
       emoji_generator: !!python/name:materialx.emoji.to_svg
   - pymdownx.critic
   - pymdownx.caret
diff --git a/pyproject.toml b/pyproject.toml
index bc9ed38..634b815 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -76,6 +76,7 @@ cov = "pytest --asyncio-mode=auto --cov=ember_mug --cov-branch --cov-report=xml
 no-cov = "cov --no-cov"
 
 [tool.hatch.envs.docs]
+python = "3.11"
 features = ["docs"]
 
 [tool.hatch.envs.docs.scripts]