diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 947588d2..a6d15ca4 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -20,6 +20,10 @@ jobs:
           - examples
     steps:
     - uses: actions/checkout@master
+    - uses: arduino/setup-protoc@v1
+      if: matrix.pwd == 'examples'
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
     - uses: dtolnay/rust-toolchain@stable
       with:
         toolchain: beta
diff --git a/examples/rest-grpc-multiplex/Cargo.toml b/examples/rest-grpc-multiplex/Cargo.toml
index 4c143cdc..61afe01a 100644
--- a/examples/rest-grpc-multiplex/Cargo.toml
+++ b/examples/rest-grpc-multiplex/Cargo.toml
@@ -8,12 +8,12 @@ publish = false
 axum = { path = "../../axum" }
 futures = "0.3"
 hyper = { version = "0.14", features = ["full"] }
-prost = "0.10"
+prost = "0.11"
 tokio = { version = "1", features = ["full"] }
-tonic = { version = "0.7" }
+tonic = { version = "0.8" }
 tower = { version = "0.4", features = ["full"] }
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 
 [build-dependencies]
-tonic-build = { version = "0.7", features = ["prost"] }
+tonic-build = { version = "0.8", features = ["prost"] }
diff --git a/examples/rest-grpc-multiplex/src/main.rs b/examples/rest-grpc-multiplex/src/main.rs
index 2ffc2775..4e03a565 100644
--- a/examples/rest-grpc-multiplex/src/main.rs
+++ b/examples/rest-grpc-multiplex/src/main.rs
@@ -17,7 +17,6 @@ use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
 mod multiplex_service;
 
 mod proto {
-    #![allow(clippy::derive_partial_eq_without_eq)]
     tonic::include_proto!("helloworld");
 }