diff --git a/requirements.txt b/requirements.txt
index 5b1efed..c848d25 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ MarkupSafe==0.23
 Pillow==2.6.1
 RPi.GPIO==0.6.3
 RTIMULib==7.2.1
-Werkzeug==0.9.6
+Werkzeug==0.15.3
 argparse==1.2.1
 backports.ssl-match-hostname==3.5.0.1
 blinker==1.3