diff --git a/docs/requirements.txt b/docs/requirements.txt
index 3feb39b..e10ba2d 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -3,4 +3,4 @@ mkdocs-include-markdown-plugin
 mkdocs-material
 mkdocstrings[python]==1.0.3
 pygments
-pymdown-extensions==10.21
+pymdown-extensions==10.21.2