diff --git a/docs/requirements.txt b/docs/requirements.txt
index 5d456ae..2685590 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -3,4 +3,4 @@ mkdocs-material
 mkdocstrings[python]==0.27.0
 mkdocs-include-markdown-plugin
 pygments
-pymdown-extensions==10.12
+pymdown-extensions==10.13