diff --git a/src/requirements.txt b/src/requirements.txt
index bd3acb2..5595211 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -39,7 +39,7 @@ kaleido==0.2.1
 kiwisolver==1.1.0
 MarkupSafe==1.1.1
 matplotlib==3.2.0
-mistune==0.8.4
+mistune==2.0.3
 nbclient==0.5.0
 nbconvert==6.0.6
 nbformat==5.0.7