diff --git a/pyproject.toml b/pyproject.toml
index 4e3d3c3..43ee885 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=77.0.3", "wheel"]
+requires = ["setuptools>=83.0.0", "wheel"]
 build-backend = "setuptools.build_meta"
 
 [project]
diff --git a/requirements-build.txt b/requirements-build.txt
index d607708..124343e 100644
--- a/requirements-build.txt
+++ b/requirements-build.txt
@@ -1,5 +1,5 @@
 # Release verification tools only; not gem runtime dependencies.
 build==1.6.1
-setuptools==80.9.0
+setuptools==83.0.0
 wheel==0.48.0
 twine==7.0.0