diff --git a/requirements.txt b/requirements.txt
index 76ab950..a7c0294 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,6 @@
 # adding a new feature to oslo.serialization means adding a new dependency,
 # that is a likely indicator that the feature belongs somewhere else.
 
-pbr>=2.0.0 # Apache-2.0
 msgpack>=0.5.2 # Apache-2.0
 oslo.utils>=3.33.0 # Apache-2.0
 tzdata>=2022.4 # MIT