diff --git a/pyproject.toml b/pyproject.toml
index 577b477..ce1e34e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,7 +38,7 @@ dependencies = ["ipython==8.25.0"]
 type = "virtual"
 detached = true
 path = ".venv-generate"
-dependencies = ["grpcio-tools==1.62.2"]
+dependencies = ["grpcio-tools==1.64.1"]
 
 [tool.hatch.envs.generate.scripts]
 protoc = "python -m grpc_tools.protoc --proto_path=. --python_out=. --pyi_out=. --grpc_python_out=. crossplane/function/proto/v1beta1/run_function.proto"