diff --git a/requirements.txt b/requirements.txt
index b7512f9..11ad0c1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -54,7 +54,7 @@ keyring==21.1.0
 lazy-object-proxy==1.4.3
 MarkupSafe==1.1.1
 mccabe==0.6.1
-mistune==0.8.4
+mistune==2.0.3
 nbconvert==5.6.1
 nbformat==5.0.4
 newsapi-python==0.2.6