diff --git a/requirements.txt b/requirements.txt
index 3ffb084..d07ca95 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ idna==2.6
 itsdangerous==0.24
 Jinja2==2.10
 Markdown==2.6.11
-markdown2==2.3.5
+markdown2==2.4.0
 MarkupSafe==1.0
 pycparser==2.18
 pycrypto==2.6.1