diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000000..5e862a9593
--- /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 25f9d4c49c..3d228b0e31 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@
 # date but we do not test them so no guarantee of having them all correct. If
 # you find any incorrect lower bounds, let us know or propose a fix.
 
-pbr>=3.1.1 # Apache-2.0
+pbr>=6.0.0 # Apache-2.0
 SQLAlchemy>=1.4.0 # MIT
 alembic>=1.4.2 # MIT
 automaton>=1.9.0 # Apache-2.0
diff --git a/setup.py b/setup.py
index e5bafb0134..36eaf2d45c 100644
--- a/setup.py
+++ b/setup.py
@@ -16,6 +16,6 @@
 import setuptools
 
 setuptools.setup(
-    setup_requires=['pbr>=2.0.0'],
+    setup_requires=['pbr>=6.0.0'],
     pbr=True,
 )