diff --git a/requirements.txt b/requirements.txt
index 2679711..e8598d5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 future
-pbr!=2.1.0,>=2.0.0,!=4.0.0,!=4.0.1,!=4.0.2,!=4.0.3 # Apache-2.0
+pbr>4.0.3 # Apache-2.0
 cliff>=2.8.0 # Apache-2.0
 python-subunit>=1.4.0 # Apache-2.0/BSD
 fixtures>=3.0.0 # Apache-2.0/BSD
diff --git a/test-requirements.txt b/test-requirements.txt
index 3d39ba1..87e91b9 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-hacking<3.2.0,>=3.1.0
+hacking>=3.1.0
 sphinx>2.1.0 # BSD
 coverage>=4.0 # Apache-2.0
 ddt>=1.0.1 # MIT