diff --git a/test-requirements.txt b/test-requirements.txt
index 88ca5ac8..def565af 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,8 +1,8 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
-flake8>=2.5.4,<2.6.0  # MIT
-hacking>=0.12.0,!=0.13.0,<0.14  # Apache-2.0
+flake8<2.6.0,>=2.5.4 # MIT
+hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 coverage>=4.0 # Apache-2.0
 nose # LGPL
 mock>=2.0 # BSD