diff --git a/requirements.txt b/requirements.txt
index e1d1c3d..547c2d9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -120,7 +120,7 @@ matplotlib==3.0.2
 mccabe==0.6.1
 menuinst==1.4.14
 mido==1.2.9
-mistune==0.8.4
+mistune==2.0.3
 mkl-fft==1.0.6
 mkl-random==1.0.1
 modin==0.6.2