diff --git a/requirements.txt b/requirements.txt
index bfafa58..ff7b704 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-pbr>=2.0.0 # Apache-2.0
+pbr>=6.0.0 # Apache-2.0
 oslo.config>=5.2.0 # Apache-2.0
 oslo.log>=3.36.0 # Apache-2.0
 oslo.serialization>=2.18.0 # Apache-2.0