diff --git a/test-requirements.txt b/test-requirements.txt
index 9a62c01b..cf37e3b1 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,3 +1,5 @@
+# Hacking already pins down pep8, pyflakes and flake8
+hacking>=0.8.0,<0.9
 # Unit testing
 discover
 fixtures>=0.3.12
@@ -11,7 +13,3 @@ nose-exclude
 openstack.nose_plugin>=0.7
 # Metrics and style
 coverage>=3.6
-flake8==2.0
-hacking>=0.5.6,<0.6
-pep8==1.4.5
-pyflakes==0.7.2