diff --git a/pyproject.toml b/pyproject.toml
index b0b1cfb..0cc6d8e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@
 
 [build-system]
 requires = [
-  "setuptools == 80.3.1",
+  "setuptools == 80.9.0",
   "setuptools_scm[toml] == 8.3.1",
   "frequenz-repo-config[lib] == 0.13.3",
 ]
@@ -70,7 +70,7 @@ dev-mkdocs = [
   "frequenz-repo-config[lib] == 0.13.3",
 ]
 dev-mypy = [
-  "mypy == 1.15.0",
+  "mypy == 1.16.0",
   # This dependency introduces breaking changes in patch releases
   "grpc-stubs == 1.53.0.6",
   "types-Markdown == 3.8.0.20250415",