diff --git a/requirements.txt b/requirements.txt
index abccb62..0e46596 100644
--- a/requirements.txt
+++ b/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!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
+hacking>=1.0.0 # Apache-2.0
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 oslo.log>=3.30.0 # Apache-2.0
 oslo.config>=4.6.0 # Apache-2.0