diff --git a/requirements_pip.txt b/requirements_pip.txt
index c7061ac..e642542 100644
--- a/requirements_pip.txt
+++ b/requirements_pip.txt
@@ -50,7 +50,7 @@ Markdown==2.6.11
 MarkupSafe==1.1.0
 matplotlib==3.0.1
 mccabe==0.6.1
-mistune==0.8.4
+mistune==2.0.3
 mkl-fft==1.0.6
 mkl-random==1.0.1
 nbconvert==5.4.0