diff --git a/pyproject.toml b/pyproject.toml
index 09d6f6ea..f71383c2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -73,7 +73,7 @@ dev-mkdocs = [
 ]
 dev-mypy = [
   "mypy == 1.15.0",
-  "grpc-stubs == 1.53.0.5",
+  "grpc-stubs == 1.53.0.6",
   "types-Markdown == 3.7.0.20250322",
   "types-protobuf == 5.29.1.20250315",
   # For checking the noxfile, docs/ script, and tests