diff --git a/provenance-sdk-proto/Cargo.toml b/provenance-sdk-proto/Cargo.toml
index 4523f15..a448c2a 100644
--- a/provenance-sdk-proto/Cargo.toml
+++ b/provenance-sdk-proto/Cargo.toml
@@ -14,6 +14,8 @@ edition = "2021"
 cosmos-sdk-proto = { version = "0.23", default-features = false }
 prost = "0.13"
 prost-types = "0.13"
+# TODO this only needs to be included if grpc or grpc-transport are included
+tonic = "0.12"
 
 [features]
 grpc = []