diff --git a/test-requirements.txt b/test-requirements.txt
index d07515f9f..e7f894f97 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,7 +1,7 @@
 # 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.
-hacking>=3.1.0,<3.2.0 # Apache-2.0
+hacking>=3.1.0,<4.0.0 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
 testtools>=2.2.0 # MIT
 oslotest>=3.2.0 # Apache-2.0
@@ -9,6 +9,7 @@ stestr>=1.0.0 # Apache-2.0
 bashate>=0.5.1 # Apache-2.0
 flake8-import-order>=0.17.1 # LGPLv3
 bandit!=1.6.0,>=1.1.0,<2.0.0 # Apache-2.0
+pycodestyle>=2.0.0,<2.7.0 # MIT
 
 # Doc test requirements
 doc8>=0.6.0 # Apache-2.0