diff --git a/diesel/src/main.rs b/diesel/src/main.rs
index 37603ee7..b2c23523 100644
--- a/diesel/src/main.rs
+++ b/diesel/src/main.rs
@@ -60,8 +60,7 @@ async fn add(
 
 /// This handler manually parse json object. Bytes object supports FromRequest trait (extractor)
 /// and could be loaded from request payload automatically
-async fn index_add(body: Bytes, pool: web::Data<Pool>) -> Result<HttpResponse, Error> {
-    let mut body = BytesMut::new();
+async fn index_add(body: web::Bytes, pool: web::Data<Pool>) -> Result<HttpResponse, Error> {
     // body is loaded, now we can deserialize id with serde-json
     let r_obj = serde_json::from_slice::<MyUser>(&body);
 
diff --git a/json/Cargo.toml b/json/Cargo.toml
index c0ba58db..d0399551 100644
--- a/json/Cargo.toml
+++ b/json/Cargo.toml
@@ -6,8 +6,9 @@ workspace = ".."
 edition = "2018"
 
 [dependencies]
-actix-web = "2.0.0-alpha.3"
+actix-web = "2.0.0-alpha.4"
 actix-rt = "1.0.0-alpha.3"
+actix-service = "1.0.0-alpha.4"
 
 bytes = "0.5.2"
 futures = "0.3.1"
diff --git a/json/src/main.rs b/json/src/main.rs
index 791f574a..19005e44 100644
--- a/json/src/main.rs
+++ b/json/src/main.rs
@@ -90,10 +90,12 @@ mod tests {
     use actix_web::dev::Service;
     use actix_web::{http, test, web, App};
 
-    #[test]
-    fn test_index() -> Result<(), Error> {
-        let app = App::new().route("/", web::post().to(index));
-        let mut app = test::init_service(app);
+    #[actix_rt::test]
+    async fn test_index() -> Result<(), Error> {
+        let mut app = test::init_service(
+            App::new().service(web::resource("/").route(web::post().to(index))),
+        )
+        .await;
 
         let req = test::TestRequest::post()
             .uri("/")
@@ -102,7 +104,7 @@ mod tests {
                 number: 43,
             })
             .to_request();
-        let resp = test::block_on(app.call(req)).unwrap();
+        let resp = app.call(req).await.unwrap();
 
         assert_eq!(resp.status(), http::StatusCode::OK);