diff --git a/requirements.txt b/requirements.txt
index 2c0121e..27dcaaa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ jupyter-latex-envs==1.4.6
 jupyter-nbextensions-configurator==0.4.1
 lxml==4.5.1
 MarkupSafe==1.1.1
-mistune==0.8.4
+mistune==2.0.3
 nbconvert==5.6.1
 nbformat==5.0.6
 nose==1.3.7