diff --git a/requirements.txt b/requirements.txt
index e0b023f..b543a16 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -153,7 +153,7 @@ MarkupSafe==1.1.1
 matplotlib==3.2.1
 mccabe==0.6.1
 missingno==0.4.2
-mistune==0.8.4
+mistune==2.0.3
 mkl-fft==1.1.0
 mkl-random==1.1.0
 mkl-service==2.3.0