diff --git a/api/requirements.txt b/api/requirements.txt
index 3f000c2..878bc72 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -19,7 +19,7 @@ jsonschema==2.6.0
 kombu==3.0.37
 manage==0.1.13
 MarkupSafe==1.0
-mistune==0.7.4
+mistune==0.8.1
 mock==2.0.0
 nameko==2.6.0
 path.py==10.3.1