diff --git a/proto-build/Cargo.toml b/proto-build/Cargo.toml
index 4b88b6c..5604f2d 100644
--- a/proto-build/Cargo.toml
+++ b/proto-build/Cargo.toml
@@ -9,7 +9,7 @@ publish = false
 [dependencies]
 prost = "0.11"
 prost-build = "0.11"
-tonic = "0.8"
+tonic = "0.9"
 tonic-build = "0.8"
 regex = "1"
 walkdir = "2.3"