diff --git a/test-requirements.txt b/test-requirements.txt
index 92e199e..9549c03 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,12 +1,12 @@
 # test runner
-coverage
-nose
+coverage==3.7.1
+nose==1.3.0
 
 # testing utilities
-mock
-sure
+mock==1.0.1
+sure==1.2.3
 
 # external frameworks tested against
-httplib2
-requests
-tornado
+httplib2==0.8
+requests==2.2.0
+tornado==3.2