diff --git a/requirements.txt b/requirements.txt
index 529bf7da40a91d0a3bed7b1af054b0026f0abd29..dd513e009161f362ff4f77e98fb950b64649571d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
-Flask>=0.12.3
+Flask>=0.12.4
 mock>=2.0.0  # for ci