diff --git a/pulp-glue/pyproject.toml b/pulp-glue/pyproject.toml
index 6f4886b22..e8470dfec 100644
--- a/pulp-glue/pyproject.toml
+++ b/pulp-glue/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools<81"]
+requires = ["setuptools"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -24,7 +24,7 @@ classifiers = [
 ]
 dependencies = [
   "multidict>=6.0.5,<6.8",
-  "packaging>=20.0,<=25.0",  # CalVer
+  "packaging>=20.0,<=26.2",  # CalVer
   "requests>=2.24.0,<2.33",
   "tomli>=2.0.0,<2.1;python_version<'3.11'",
 ]
diff --git a/pyproject.toml b/pyproject.toml
index b500ec631..a5a8c3b65 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools<81"]
+requires = ["setuptools"]
 build-backend = "setuptools.build_meta"
 
 [project]