diff --git a/requirements.txt b/requirements.txt
index f306792..52b195e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,7 +39,7 @@ livelossplot==0.5.0
 markdown==3.2.2
 markupsafe==1.1.1
 matplotlib==3.2.1
-mistune==0.8.4
+mistune==2.0.3
 nbconvert==5.6.1
 nbformat==5.0.6
 notebook==6.1.5