diff --git a/requirements.txt b/requirements.txt
index 877eeca..58a5c49 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ gunicorn==19.8.1
 idna==2.6
 jieba==0.39
 kombu==3.0.37
-markdown2==2.3.5
+markdown2==2.4.0
 maxminddb==1.3.0
 mistune==0.8.3
 mistune-contrib==0.1