diff --git a/pyproject.toml b/pyproject.toml
index 06a69e3e..677527f8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@
 
 [build-system]
 requires = [
-  "setuptools==78.1.1",
+  "setuptools==80.9.0",
   "wheel==0.45.1",
 ]
 build-backend = "setuptools.build_meta"
diff --git a/requirements-dev.txt b/requirements-dev.txt
index c2419a49..8d953712 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -204,5 +204,5 @@ zipp==3.20.2
 # The following packages are considered to be unsafe in a requirements file:
 pip==24.2
     # via pip-tools
-setuptools==78.1.1
+setuptools==80.9.0
     # via pip-tools