diff --git a/requirements.txt b/requirements.txt
index 2cf9407..7535a92 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ mkdocs==1.1.2
 mkdocs-material==4.6.3
 nltk==3.5
 Pygments==2.7.3
-pymdown-extensions==8.1
+pymdown-extensions==10.0
 PyYAML==5.3.1
 regex==2020.11.13
 six==1.15.0