diff --git a/requirements.txt b/requirements.txt
index d506fac..3396fb0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ jupyter-client==5.2.3
 jupyter-console==6.0.0
 jupyter-core==4.4.0
 MarkupSafe==1.0
-mistune==0.8.4
+mistune==2.0.3
 nbconvert==5.4.0
 nbformat==4.4.0
 notebook==5.7.0