diff --git a/gouth/Cargo.toml b/gouth/Cargo.toml
index afc6f68..b3af45e 100644
--- a/gouth/Cargo.toml
+++ b/gouth/Cargo.toml
@@ -18,7 +18,7 @@ serde_json = { version = "1.0" }
 attohttpc = { version = "0.17", default-features = false, features = ["compress", "tls-rustls", "form"] }
 url = { version = "2.2" }
 jsonwebtoken = { version = "7" }
-tonic = { version = "0.4", default-features = false, optional = true }
+tonic = { version = "0.12", default-features = false, optional = true }
 
 [dev-dependencies]
 lazy_static = "1.4"