diff --git a/requirements.txt b/requirements.txt
index 73c5ace..01ee6a6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ llvmlite==0.34.0
 MarkupSafe==1.1.1
 matplotlib==3.3.2
 missingno==0.4.2
-mistune==0.8.4
+mistune==2.0.3
 nbclient==0.5.0
 nbconvert==6.0.6
 nbformat==5.0.7