diff --git a/requirements.txt b/requirements.txt
index d56a228..1ba9dbb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,12 +1,12 @@
 blinker==1.4
 coverage==4.0.2
-Flask==0.10.1
+Flask==0.12.3
 Flask-Script==2.0.5
 Flask-Testing==0.4.2
 funcsigs==0.4
 httplib2==0.9.2
 itsdangerous==0.24
-Jinja2==2.8
+Jinja2==2.11.3
 linecache2==1.0.0
 MarkupSafe==0.23
 mock==1.3.0
@@ -20,4 +20,4 @@ six==1.10.0
 traceback2==1.4.0
 twilio==6.9.0
 unittest2==1.1.0
-Werkzeug==0.11.2
+Werkzeug==0.15.3