diff --git a/pyproject.toml b/pyproject.toml
index 621bd24a2..d6294d9ee 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -106,7 +106,7 @@ docs = [
     "mkdocs-plotly-plugin==0.1.3",
     "mkdocs-jupyter==0.26.3",
     "markdown-include==0.8.1",
-    "pymdown-extensions==10.21.2",
+    "pymdown-extensions==10.21.3",
     "pygments==2.20.0",
     "mike==2.2.0",
     "mkdocs-git-revision-date-localized-plugin==1.5.1",