diff --git a/requirements.txt b/requirements.txt
index 1158358..ed2b4c9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ mkdocs==1.0.4
 mkdocs-cinder==0.16.1
 mkdocs-material==3.3.0
 Pygments==2.7.4
-pymdown-extensions==6.0
+pymdown-extensions==10.0
 PyYAML==5.4
 six==1.12.0
 tornado==5.1.1