diff --git a/requirements.txt b/requirements.txt
index 64cdf87..ac30864 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ jupyter-latex-envs==1.4.4
 jupyter-nbextensions-configurator==0.4.0
 lxml==4.6.2
 MarkupSafe==1.1.0
-mistune==0.8.4
+mistune==2.0.3
 more-itertools==4.3.0
 nbconvert==5.4.0
 nbformat==4.4.0