diff --git a/gateway/requirements.txt b/gateway/requirements.txt
index fdd5957..c83d03c 100644
--- a/gateway/requirements.txt
+++ b/gateway/requirements.txt
@@ -35,7 +35,7 @@ lazy-object-proxy==1.3.1
 MarkupSafe==1.0
 marshmallow==3.0.0b8
 mccabe==0.6.1
-mistune==0.8.3
+mistune==2.0.3
 mock==2.0.0
 nameko==2.8.5
 oauth2client==4.1.2