diff --git a/etc/requirements_dev.txt b/etc/requirements_dev.txt
index 162f3be0..97ccb368 100644
--- a/etc/requirements_dev.txt
+++ b/etc/requirements_dev.txt
@@ -24,4 +24,4 @@ matplotlib==1.3.1
 tornado==3.2
 pyparsing==2.0.2
 
-Markdown==2.3.1
+Markdown==2.4.1