diff --git a/pyproject.toml b/pyproject.toml
index 5dbb44b..208c00f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
   "build>=1.2.2",
-  "setuptools==72.2.0",
+  "setuptools==78.1.1",
   "twine>=6.1.0,<7",
   "wheel==0.44.0",
   "pytest==9.0.3",