diff --git a/requirements.in b/requirements.in
index 934686f928a..4d45a9859f4 100644
--- a/requirements.in
+++ b/requirements.in
@@ -4,7 +4,7 @@ Babel==2.3.4
 bleach==2.1.3
 click==6.7
 fanstatic==0.12
-Flask==0.12.2
+Flask==0.12.4
 Flask-Babel==0.11.2
 Jinja2==2.8
 Markdown==2.6.7
diff --git a/requirements.txt b/requirements.txt
index bbedbd8e940..066c867e117 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ click==6.7
 decorator==4.2.1          # via pylons, sqlalchemy-migrate
 fanstatic==0.12
 Flask-Babel==0.11.2
-Flask==0.12.2             # via flask-babel
+Flask==0.12.4             # via flask-babel
 FormEncode==1.3.1         # via pylons
 funcsigs==1.0.2           # via beaker
 html5lib==1.0.1           # via bleach