Merge "add pyproject.toml to support pip 23.1"
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..5e862a9
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+requires = ["pbr>=6.0.0", "setuptools>=64.0.0"]
+build-backend = "pbr.build"
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
diff --git a/setup.py b/setup.py
index cd35c3c..b997e51 100644
--- a/setup.py
+++ b/setup.py
@@ -16,5 +16,5 @@
 import setuptools
 
 setuptools.setup(
-    setup_requires=['pbr>=2.0.0'],
+    setup_requires=['pbr>=6.0.0'],
     pbr=True)