diff --git a/requirements.txt b/requirements.txt
index b7e09b91e..36e3fdac2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ llvmlite==0.34.0
 MarkupSafe==1.1.1
 matplotlib==3.3.3
 missingno==0.4.2
-mistune==0.8.4
+mistune==2.0.3
 nbclient==0.5.1
 nbconvert==6.0.7
 nbformat==5.0.8