diff --git a/pyproject.toml b/pyproject.toml
index cbaec7cc..94369cdf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -67,7 +67,7 @@ dev-mkdocs = [
 ]
 dev-mypy = [
   "mypy == 1.15.0",
-  "grpc-stubs == 1.53.0.5",
+  "grpc-stubs == 1.53.0.6",
   # For checking the noxfile, docs/ script, and tests
   "frequenz-api-common[dev-mkdocs,dev-noxfile,dev-pytest]",
 ]