diff --git a/global-requirements.txt b/global-requirements.txt
index 7020c59774..fb7d3e1ee8 100644
--- a/global-requirements.txt
+++ b/global-requirements.txt
@@ -157,6 +157,6 @@ swift
 testrepository>=0.0.17
 testresources>=0.2.4
 testscenarios>=0.4
-testtools>=0.9.32
+testtools>=0.9.32,<0.9.35
 unittest2
 WebTest>=2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 0bc2ade6aa..394e8f831f 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -3,4 +3,4 @@
 hacking>=0.8.0,<0.9
 testrepository>=0.0.17
 testscenarios>=0.4
-testtools>=0.9.32
+testtools>=0.9.32,<0.9.35