diff --git a/content/docs/response.md b/content/docs/response.md
index 79681a1..921dffc 100644
--- a/content/docs/response.md
+++ b/content/docs/response.md
@@ -82,5 +82,5 @@ is enabled automatically.
 
 {{< include-example example="responses" file="chunked.rs" section="chunked" >}}
 
-[responsebuilder]: https://docs.rs/actix-web/1.0.2/actix_web/dev/struct.HttpResponseBuilder.html
-[compressmidddleware]: https://docs.rs/actix-web/1.0.2/actix_web/middleware/struct.Compress.html
+[responsebuilder]: https://docs.rs/actix-web/2/actix_web/dev/struct.HttpResponseBuilder.html
+[compressmidddleware]: https://docs.rs/actix-web/2/actix_web/middleware/struct.Compress.html
diff --git a/examples/responses/Cargo.toml b/examples/responses/Cargo.toml
index 8d5624f..ca6de1a 100644
--- a/examples/responses/Cargo.toml
+++ b/examples/responses/Cargo.toml
@@ -4,7 +4,8 @@ version = "1.0.0"
 edition = "2018"
 
 [dependencies]
-actix-web = "1.0"
+actix-web = "2.0"
+actix-rt = "1.0"
 serde = "1.0"
-futures = "0.1"
+futures = "0.3.1"
 bytes = "0.4"
diff --git a/examples/responses/src/auto.rs b/examples/responses/src/auto.rs
index 1af1078..a1a1f15 100644
--- a/examples/responses/src/auto.rs
+++ b/examples/responses/src/auto.rs
@@ -1,11 +1,12 @@
 // <auto>
 use actix_web::{http::ContentEncoding, middleware, HttpResponse};
 
-fn index() -> HttpResponse {
+async fn index() -> HttpResponse {
     HttpResponse::Ok().body("data")
 }
 
-pub fn main() {
+#[actix_rt::main]
+async fn main() -> std::io::Result<()> {
     use actix_web::{web, App, HttpServer};
 
     HttpServer::new(|| {
@@ -13,9 +14,8 @@ pub fn main() {
             .wrap(middleware::Compress::new(ContentEncoding::Br))
             .route("/", web::get().to(index))
     })
-    .bind("127.0.0.1:8088")
-    .unwrap()
+    .bind("127.0.0.1:8088")?
     .run()
-    .unwrap();
+    .await
 }
 // </auto>
diff --git a/examples/responses/src/brotli.rs b/examples/responses/src/brotli.rs
index ebdf7e2..2f1cab1 100644
--- a/examples/responses/src/brotli.rs
+++ b/examples/responses/src/brotli.rs
@@ -1,13 +1,14 @@
 // <brotli>
-use actix_web::{http::ContentEncoding, middleware::BodyEncoding, HttpResponse};
+use actix_web::{http::ContentEncoding, dev::BodyEncoding, HttpResponse};
 
-fn index_br() -> HttpResponse {
+async fn index_br() -> HttpResponse {
     HttpResponse::Ok()
         .encoding(ContentEncoding::Br)
         .body("data")
 }
 
-pub fn main() {
+#[actix_rt::main]
+async fn main() -> std::io::Result<()> {
     use actix_web::{middleware, web, App, HttpServer};
 
     HttpServer::new(|| {
@@ -15,9 +16,8 @@ pub fn main() {
             .wrap(middleware::Compress::default())
             .route("/", web::get().to(index_br))
     })
-    .bind("127.0.0.1:8088")
-    .unwrap()
+    .bind("127.0.0.1:8088")?
     .run()
-    .unwrap();
+    .await
 }
 // </brotli>
diff --git a/examples/responses/src/brotli_two.rs b/examples/responses/src/brotli_two.rs
index cdd79f4..b7325f9 100644
--- a/examples/responses/src/brotli_two.rs
+++ b/examples/responses/src/brotli_two.rs
@@ -1,11 +1,12 @@
 // <brotli-two>
-use actix_web::{http::ContentEncoding, middleware::BodyEncoding, HttpResponse};
+use actix_web::{http::ContentEncoding, dev::BodyEncoding, HttpResponse};
 
-fn index_br() -> HttpResponse {
+async fn index_br() -> HttpResponse {
     HttpResponse::Ok().body("data")
 }
 
-pub fn main() {
+#[actix_rt::main]
+async fn main() -> std::io::Result<()> {
     use actix_web::{middleware, web, App, HttpServer};
 
     HttpServer::new(|| {
@@ -13,9 +14,8 @@ pub fn main() {
             .wrap(middleware::Compress::new(ContentEncoding::Br))
             .route("/", web::get().to(index_br))
     })
-    .bind("127.0.0.1:8088")
-    .unwrap()
+    .bind("127.0.0.1:8088")?
     .run()
-    .unwrap();
+    .await
 }
 // </brotli-two>
diff --git a/examples/responses/src/compress.rs b/examples/responses/src/compress.rs
index 105b76b..d98799b 100644
--- a/examples/responses/src/compress.rs
+++ b/examples/responses/src/compress.rs
@@ -1,11 +1,12 @@
 // <compress>
 use actix_web::{middleware, HttpResponse};
 
-fn index_br() -> HttpResponse {
+async fn index_br() -> HttpResponse {
     HttpResponse::Ok().body("data")
 }
 
-pub fn main() {
+#[actix_rt::main]
+async fn main() -> std::io::Result<()> {
     use actix_web::{web, App, HttpServer};
 
     HttpServer::new(|| {
@@ -13,9 +14,8 @@ pub fn main() {
             .wrap(middleware::Compress::default())
             .route("/", web::get().to(index_br))
     })
-    .bind("127.0.0.1:8088")
-    .unwrap()
+    .bind("127.0.0.1:8088")?
     .run()
-    .unwrap();
+    .await
 }
 // </compress>
diff --git a/examples/responses/src/identity.rs b/examples/responses/src/identity.rs
index 2d759d1..0e8980a 100644
--- a/examples/responses/src/identity.rs
+++ b/examples/responses/src/identity.rs
@@ -1,16 +1,17 @@
 // <identity>
 use actix_web::{
-    http::ContentEncoding, middleware, middleware::BodyEncoding, HttpResponse,
+    http::ContentEncoding, middleware, dev::BodyEncoding, HttpResponse,
 };
 
-fn index() -> HttpResponse {
+async fn index() -> HttpResponse {
     HttpResponse::Ok()
         // v- disable compression
         .encoding(ContentEncoding::Identity)
         .body("data")
 }
 
-pub fn main() {
+#[actix_rt::main]
+async fn main() -> std::io::Result<()> {
     use actix_web::{web, App, HttpServer};
 
     HttpServer::new(|| {
@@ -18,9 +19,8 @@ pub fn main() {
             .wrap(middleware::Compress::default())
             .route("/", web::get().to(index))
     })
-    .bind("127.0.0.1:8088")
-    .unwrap()
+    .bind("127.0.0.1:8088")?
     .run()
-    .unwrap();
+    .await
 }
 // </identity>
diff --git a/examples/responses/src/identity_two.rs b/examples/responses/src/identity_two.rs
index 62839ff..86ff64f 100644
--- a/examples/responses/src/identity_two.rs
+++ b/examples/responses/src/identity_two.rs
@@ -1,6 +1,6 @@
 // <identity-two>
 use actix_web::{
-    http::ContentEncoding, middleware, middleware::BodyEncoding, HttpResponse,
+    http::ContentEncoding, middleware, dev::BodyEncoding, HttpResponse,
 };
 
 static HELLO_WORLD: &[u8] = &[
@@ -9,7 +9,7 @@ static HELLO_WORLD: &[u8] = &[
     0x0c, 0x00, 0x00, 0x00,
 ];
 
-pub fn index() -> HttpResponse {
+async fn index() -> HttpResponse {
     HttpResponse::Ok()
         .encoding(ContentEncoding::Identity)
         .header("content-encoding", "gzip")
@@ -17,7 +17,8 @@ pub fn index() -> HttpResponse {
 }
 // </identity-two>
 
-pub fn main() {
+#[actix_rt::main]
+async fn main() -> std::io::Result<()> {
     use actix_web::{web, App, HttpServer};
 
     HttpServer::new(|| {
@@ -25,8 +26,7 @@ pub fn main() {
             .wrap(middleware::Compress::default())
             .route("/", web::get().to(index))
     })
-    .bind("127.0.0.1:8088")
-    .unwrap()
+    .bind("127.0.0.1:8088")?
     .run()
-    .unwrap();
+    .await
 }
diff --git a/examples/responses/src/json_resp.rs b/examples/responses/src/json_resp.rs
index 7fc329d..7df6796 100644
--- a/examples/responses/src/json_resp.rs
+++ b/examples/responses/src/json_resp.rs
@@ -7,19 +7,19 @@ struct MyObj {
     name: String,
 }
 
-fn index(obj: web::Path<MyObj>) -> Result<HttpResponse> {
+async fn index(obj: web::Path<MyObj>) -> Result<HttpResponse> {
     Ok(HttpResponse::Ok().json(MyObj {
         name: obj.name.to_string(),
     }))
 }
 
-pub fn main() {
+#[actix_rt::main]
+async fn main() -> std::io::Result<()> {
     use actix_web::{App, HttpServer};
 
     HttpServer::new(|| App::new().route(r"/a/{name}", web::get().to(index)))
-        .bind("127.0.0.1:8088")
-        .unwrap()
+        .bind("127.0.0.1:8088")?
         .run()
-        .unwrap();
+        .await
 }
 // </json-resp>
diff --git a/examples/responses/src/main.rs b/examples/responses/src/main.rs
index d41f2b7..9ee7a55 100644
--- a/examples/responses/src/main.rs
+++ b/examples/responses/src/main.rs
@@ -9,7 +9,7 @@ pub mod json_resp;
 // <builder>
 use actix_web::HttpResponse;
 
-fn index() -> HttpResponse {
+async fn index() -> HttpResponse {
     HttpResponse::Ok()
         .content_type("plain/text")
         .header("X-Hdr", "sample")
@@ -17,12 +17,12 @@ fn index() -> HttpResponse {
 }
 // </builder>
 
-pub fn main() {
+#[actix_rt::main]
+async fn main() -> std::io::Result<()> {
     use actix_web::{web, App, HttpServer};
 
     HttpServer::new(|| App::new().route("/", web::get().to(index)))
-        .bind("127.0.0.1:8088")
-        .unwrap()
+        .bind("127.0.0.1:8088")?
         .run()
-        .unwrap();
+        .await
 }