diff --git a/TODO.md b/TODO.md
index fcd15a3..56d6211 100644
--- a/TODO.md
+++ b/TODO.md
@@ -1,6 +1,7 @@
 # TODO
 
 - [ ] Finish implementing GRPC service support
+- [ ] Expand config test case to cover GRPC config
 - [ ] Expand tracing
 
 ## Done