diff --git a/tools/test-requires b/tools/test-requires
index c9580d656d..c1a784fc3a 100644
--- a/tools/test-requires
+++ b/tools/test-requires
@@ -6,6 +6,6 @@ mox
 nose
 nosexcover
 openstack.nose_plugin
-pep8=1.3.3
+pep8==1.3.3
 pylint
 webtest