diff --git a/requirements.txt b/requirements.txt
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,36 +1,36 @@
 rdflib==4.1.2
-Twisted==14.0.0
-webcolors==1.4
+Twisted==17.1.0
+webcolors==1.7
 Louie==1.1
 cyclone==1.1
 
-web.py==0.37
+web.py==0.38
 restkit==4.2.2
-ipython==3.1.0
+ipython==5.3.0
 nose==1.3.7
 nose-watcher==0.1.3
 watchdog==0.8.3
-freezegun==0.3.7
-ipdb==0.8.1
+freezegun==0.3.8
+ipdb==0.10.2
 coloredlogs==1.0.1
 genshi==0.7
 pyjade==3.0.0
-python-dateutil==2.4.2
+python-dateutil==2.6.0
 txosc==0.2.0
-service_identity==0.2
-Pillow==2.8.1
-faulthandler==2.3
-treq==0.2.1
-mock==1.0.1
-toposort==1.0
+service_identity==16.0.0
+Pillow==4.0.0
+faulthandler==2.6
+treq==16.12.0
+mock==2.0.0
+toposort==1.5
 pyserial==2.7
 
 statprof==0.1.2
-txzmq==0.7.4
+txzmq==0.8.0
 
 pyusb==1.0.0
-coverage==4.1
-klein==15.3.1
+coverage==4.3.4
+klein==17.2.0
 git+http://github.com/drewp/scales.git@448d59fb491b7631877528e7695a93553bfaaa93#egg=scales
 colormath==2.1.1
 noise==1.2.2