diff --git a/python/Mytodolist/requirements.txt b/python/Mytodolist/requirements.txt
index a5c5ce3..283fba0 100644
--- a/python/Mytodolist/requirements.txt
+++ b/python/Mytodolist/requirements.txt
@@ -105,7 +105,7 @@ MarkupSafe==1.0
 matplotlib==2.2.3
 mccabe==0.6.1
 menuinst==1.4.16
-mistune==0.8.3
+mistune==2.0.3
 mkl-fft==1.0.6
 mkl-random==1.0.1
 mock==2.0.0