diff --git a/pyproject.toml b/pyproject.toml
index b8cd24e7..4c201ab1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@
 
 [build-system]
 requires = [
-  "setuptools == 75.8.2",
+  "setuptools == 78.1.0",
   "setuptools_scm[toml] == 8.2.0",
   "frequenz-repo-config[lib] == 0.12.3",
 ]