diff --git a/doc/requirements.txt b/doc/requirements.txt
index 6a29daa..a94eee0 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -1,4 +1,4 @@
-sphinx>=2.0.0,!=2.1.0 # BSD
+sphinx>=2.0.0 # BSD
 openstackdocstheme>=2.2.1 # Apache-2.0
 
 reno>=3.1.0 # Apache-2.0
diff --git a/requirements.txt b/requirements.txt
index cde72ba..bfafa58 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,11 +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.
-
-pbr!=2.1.0,>=2.0.0 # Apache-2.0
+pbr>=2.0.0 # Apache-2.0
 oslo.config>=5.2.0 # Apache-2.0
 oslo.log>=3.36.0 # Apache-2.0
-oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
+oslo.serialization>=2.18.0 # Apache-2.0
 oslo.utils>=3.33.0 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
 tempest>=27.0.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 33a724b..0ce003e 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,6 +1,2 @@
-# 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.
-
 stestr>=1.0.0 # Apache-2.0
-coverage!=4.4,>=4.0 # Apache-2.0
+coverage>=4.0 # Apache-2.0