diff --git a/test-requirements.txt b/test-requirements.txt
index 917eeb7d3a..fa31c123fb 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,11 +1,11 @@
 # 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>=3.0 # Apache-2.0
+hacking>=6.1.0,<6.2.0 # Apache-2.0
 requests-mock>=1.2.0 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
-flake8-import-order # LGPLv3
+flake8-import-order>=0.18.0,<0.19.0 # LGPLv3
 python-subunit>=1.0.0 # Apache-2.0/BSD
 oslotest>=3.2.0 # Apache-2.0
 pylint>=2.5.3 # GPLv2