diff --git a/pydeps b/pydeps
--- a/pydeps
+++ b/pydeps
@@ -25,10 +25,10 @@ mock==1.0.1
 toposort==1.0
 pyserial==2.7
 
-scales==1.0.9
 statprof==0.1.2
 txzmq==0.7.4
 
 pyusb==1.0.0
 coverage==4.1
-klein==15.3.1
\ No newline at end of file
+klein==15.3.1
+git+http://github.com/drewp/scales.git@448d59fb491b7631877528e7695a93553bfaaa93#egg=scales
\ No newline at end of file