diff --git a/requirements.txt b/requirements.txt
index 0dd7aa6..fba2d09 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ MarkupSafe==1.1.1
 marshmallow==3.6.1
 marshmallow-sqlalchemy==0.23.1
 mccabe==0.6.1
-mistune==0.8.4
+mistune==2.0.3
 more-itertools==8.4.0
 packaging==20.4
 pathspec==0.8.0