diff --git a/pyproject.toml b/pyproject.toml
index 3e15320a..8c1f17af 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -84,7 +84,7 @@ dev-mypy = [
   "types-Markdown == 3.8.0.20250415",
   # For checking the noxfile, docs/ script, and tests
   "frequenz-client-dispatch[cli,dev-mkdocs,dev-noxfile,dev-pytest]",
-  "grpc-stubs == 1.53.0.5",
+  "grpc-stubs == 1.53.0.6",
   "types-protobuf == 5.29.1.20250403",
   "types-python-dateutil == 2.9.0.20241206",
 ]