diff --git a/requirements.txt b/requirements.txt
index 057a21bb71..24356b9a43 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Flask==0.11.1
+Flask==0.12.4
 Werkzeug==0.11.11
 Jinja2==2.8
 itsdangerous==0.24