diff --git a/test-requirements.txt b/test-requirements.txt
index ffa8f45..68f7957 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,7 +1,3 @@
 # Hacking already pins down pep8, pyflakes and flake8
-hacking>=2.0,<2.1.0 # Apache-2.0
-# remove this pyflakes from here once you bump the
-# hacking to 3.2.0 or above. hacking 3.2.0 takes
-# care of pyflakes version compatibilty.
-pyflakes>=2.1.1
+hacking>=6.1.0,<6.2.0 # Apache-2.0
 stestr>=2.0.0 # Apache-2.0