diff --git a/pyproject.toml b/pyproject.toml
index 1fbdb0c19..79e64d72a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -118,7 +118,7 @@ docs = [
     "mkdocs-plotly-plugin==0.1.3",
     "mkdocs-jupyter==0.26.3",
     "markdown-include==0.8.1",
-    "pymdown-extensions==11.0.1",
+    "pymdown-extensions==12.1",
     "pygments==2.21.0",
     "mike==2.2.0",
     "mkdocs-git-revision-date-localized-plugin==1.6.0",