diff --git a/requirements.txt b/requirements.txt
index 05f5b8e1ef7bc3dd2a341bf53c547217ae2efa02..529bf7da40a91d0a3bed7b1af054b0026f0abd29 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
-Flask>=0.12.1
+Flask>=0.12.3
 mock>=2.0.0  # for ci