diff --git a/api/requirements.txt b/api/requirements.txt
index bc8a454..de73008 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -82,7 +82,7 @@ MarkupSafe==1.0
 matplotlib==3.0.0
 mccabe==0.6.1
 micawber==0.3.5
-mistune==0.8.4
+mistune==2.0.3
 more-itertools==6.0.0
 nbconvert==5.4.0
 nbformat==4.4.0