diff --git a/requirements.txt b/requirements.txt
index 4943ab5..fad749e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -58,7 +58,7 @@ marshmallow==2.13.0
 marshmallow-sqlalchemy==0.12.1
 matplotlib==3.0.3
 metabolitics==0.0.12
-mistune==0.8.4
+mistune==2.0.3
 more-itertools==7.2.0
 mpmath==1.1.0
 nbconvert==5.6.0