diff --git a/requirements.txt b/requirements.txt
index 1e4c40b..e939c5c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@
 anyjson>=0.3.3
 httplib2>=0.7.5
 jsonschema>=2.0.0,<3.0.0
-testtools>=0.9.36,!=1.2.0,!=1.4.0
+testtools>=0.9.36,!=1.2.0
 lxml>=2.3
 boto>=2.32.1
 paramiko>=1.13.0