diff --git a/requirements/docs.txt b/requirements/docs.txt
index c98f2e59c63..495986e0da5 100644
--- a/requirements/docs.txt
+++ b/requirements/docs.txt
@@ -9,7 +9,7 @@ mkdocs==1.0.4
 mkdocs-bootstrap==1.0.1
 mkdocs-bootswatch==1.0
 mkdocs-rtd-dropdown==1.0.2
-pymdown-extensions==5.0
+pymdown-extensions==10.16.1
 PyYAML==5.3.1
 singledispatch==3.4.0.3
 tornado==5.1.1