diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3b2197e..8572b7a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,16 +28,25 @@ jobs:
           components: clippy
       - run: cargo clippy --all-targets --all-features -- -D warnings
 
+  msrv:
+    name: Minimal rust version
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@master
+        with:
+            toolchain: "1.73"
+      - name: Build System Info
+        run: cargo build --lib --all-features
+
   tests:
     name: Tests
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        build: [pinned, stable, nightly]
+        build: [stable, nightly]
         include:
-        - build: pinned
-          os: ubuntu-22.04
-          rust: 1.68.0
         - build: stable
           os: ubuntu-22.04
           rust: stable
diff --git a/Cargo.lock b/Cargo.lock
index a4ab419..8a001e1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -108,34 +108,6 @@ version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0c4b4d0bd25bd0b74681c0ad21497610ce1b7c91b1022cd21c80c6fbdd9476b0"
 
-[[package]]
-name = "axum"
-version = "0.6.20"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b829e4e32b91e643de6eafe82b1d90675f5874230191a4ffbc1b336dec4d6bf"
-dependencies = [
- "async-trait",
- "axum-core 0.3.4",
- "bitflags 1.3.2",
- "bytes",
- "futures-util",
- "http 0.2.12",
- "http-body 0.4.6",
- "hyper 0.14.30",
- "itoa",
- "matchit",
- "memchr",
- "mime",
- "percent-encoding",
- "pin-project-lite",
- "rustversion",
- "serde",
- "sync_wrapper 0.1.2",
- "tower",
- "tower-layer",
- "tower-service",
-]
-
 [[package]]
 name = "axum"
 version = "0.7.5"
@@ -143,13 +115,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3a6c9af12842a67734c9a2e355436e5d03b22383ed60cf13cd0c18fbfe3dcbcf"
 dependencies = [
  "async-trait",
- "axum-core 0.4.3",
+ "axum-core",
  "bytes",
  "futures-util",
- "http 1.1.0",
- "http-body 1.0.1",
+ "http",
+ "http-body",
  "http-body-util",
- "hyper 1.4.1",
+ "hyper",
  "hyper-util",
  "itoa",
  "matchit",
@@ -170,23 +142,6 @@ dependencies = [
  "tracing",
 ]
 
-[[package]]
-name = "axum-core"
-version = "0.3.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "759fa577a247914fd3f7f76d62972792636412fbfd634cd452f6a385a74d2d2c"
-dependencies = [
- "async-trait",
- "bytes",
- "futures-util",
- "http 0.2.12",
- "http-body 0.4.6",
- "mime",
- "rustversion",
- "tower-layer",
- "tower-service",
-]
-
 [[package]]
 name = "axum-core"
 version = "0.4.3"
@@ -196,8 +151,8 @@ dependencies = [
  "async-trait",
  "bytes",
  "futures-util",
- "http 1.1.0",
- "http-body 1.0.1",
+ "http",
+ "http-body",
  "http-body-util",
  "mime",
  "pin-project-lite",
@@ -235,12 +190,6 @@ version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
-[[package]]
-name = "bitflags"
-version = "1.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
-
 [[package]]
 name = "bitflags"
 version = "2.6.0"
@@ -370,7 +319,7 @@ name = "demo-server"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "axum 0.7.5",
+ "axum",
  "headers",
  "josekit",
  "jsonwebtoken",
@@ -600,25 +549,6 @@ version = "0.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "40ecd4077b5ae9fd2e9e169b102c6c330d0605168eb0e8bf79952b256dbefffd"
 
-[[package]]
-name = "h2"
-version = "0.3.26"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "81fe527a889e1532da5c525686d96d4c2e74cdd345badf8dfef9f6b39dd5f5e8"
-dependencies = [
- "bytes",
- "fnv",
- "futures-core",
- "futures-sink",
- "futures-util",
- "http 0.2.12",
- "indexmap 2.4.0",
- "slab",
- "tokio",
- "tokio-util",
- "tracing",
-]
-
 [[package]]
 name = "h2"
 version = "0.4.6"
@@ -630,7 +560,7 @@ dependencies = [
  "fnv",
  "futures-core",
  "futures-sink",
- "http 1.1.0",
+ "http",
  "indexmap 2.4.0",
  "slab",
  "tokio",
@@ -659,7 +589,7 @@ dependencies = [
  "base64 0.21.7",
  "bytes",
  "headers-core",
- "http 1.1.0",
+ "http",
  "httpdate",
  "mime",
  "sha1",
@@ -671,7 +601,7 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "54b4a22553d4242c49fddb9ba998a99962b5cc6f22cb5a3482bec22522403ce4"
 dependencies = [
- "http 1.1.0",
+ "http",
 ]
 
 [[package]]
@@ -680,17 +610,6 @@ version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
 
-[[package]]
-name = "http"
-version = "0.2.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "601cbb57e577e2f5ef5be8e7b83f0f63994f25aa94d673e54a92d5c516d101f1"
-dependencies = [
- "bytes",
- "fnv",
- "itoa",
-]
-
 [[package]]
 name = "http"
 version = "1.1.0"
@@ -702,17 +621,6 @@ dependencies = [
  "itoa",
 ]
 
-[[package]]
-name = "http-body"
-version = "0.4.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ceab25649e9960c0311ea418d17bee82c0dcec1bd053b5f9a66e265a693bed2"
-dependencies = [
- "bytes",
- "http 0.2.12",
- "pin-project-lite",
-]
-
 [[package]]
 name = "http-body"
 version = "1.0.1"
@@ -720,7 +628,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1efedce1fb8e6913f23e0c92de8e62cd5b772a67e7b3946df930a62566c93184"
 dependencies = [
  "bytes",
- "http 1.1.0",
+ "http",
 ]
 
 [[package]]
@@ -731,8 +639,8 @@ checksum = "793429d76616a256bcb62c2a2ec2bed781c8307e797e2598c50010f2bee2544f"
 dependencies = [
  "bytes",
  "futures-util",
- "http 1.1.0",
- "http-body 1.0.1",
+ "http",
+ "http-body",
  "pin-project-lite",
 ]
 
@@ -748,30 +656,6 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9"
 
-[[package]]
-name = "hyper"
-version = "0.14.30"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a152ddd61dfaec7273fe8419ab357f33aee0d914c5f4efbf0d96fa749eea5ec9"
-dependencies = [
- "bytes",
- "futures-channel",
- "futures-core",
- "futures-util",
- "h2 0.3.26",
- "http 0.2.12",
- "http-body 0.4.6",
- "httparse",
- "httpdate",
- "itoa",
- "pin-project-lite",
- "socket2",
- "tokio",
- "tower-service",
- "tracing",
- "want",
-]
-
 [[package]]
 name = "hyper"
 version = "1.4.1"
@@ -781,9 +665,9 @@ dependencies = [
  "bytes",
  "futures-channel",
  "futures-util",
- "h2 0.4.6",
- "http 1.1.0",
- "http-body 1.0.1",
+ "h2",
+ "http",
+ "http-body",
  "httparse",
  "httpdate",
  "itoa",
@@ -800,8 +684,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5ee4be2c948921a1a5320b629c4193916ed787a7f7f293fd3f7f5a6c9de74155"
 dependencies = [
  "futures-util",
- "http 1.1.0",
- "hyper 1.4.1",
+ "http",
+ "hyper",
  "hyper-util",
  "rustls",
  "rustls-native-certs",
@@ -814,14 +698,15 @@ dependencies = [
 
 [[package]]
 name = "hyper-timeout"
-version = "0.4.1"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbb958482e8c7be4bc3cf272a766a2b0bf1a6755e7a6ae777f017a31d11b13b1"
+checksum = "3203a961e5c83b6f5498933e78b6b263e208c197b63e9c6c53cc82ffd3f63793"
 dependencies = [
- "hyper 0.14.30",
+ "hyper",
+ "hyper-util",
  "pin-project-lite",
  "tokio",
- "tokio-io-timeout",
+ "tower-service",
 ]
 
 [[package]]
@@ -832,7 +717,7 @@ checksum = "70206fc6890eaca9fde8a0bf71caa2ddfc9fe045ac9e5c70df101a7dbde866e0"
 dependencies = [
  "bytes",
  "http-body-util",
- "hyper 1.4.1",
+ "hyper",
  "hyper-util",
  "native-tls",
  "tokio",
@@ -849,9 +734,9 @@ dependencies = [
  "bytes",
  "futures-channel",
  "futures-util",
- "http 1.1.0",
- "http-body 1.0.1",
- "hyper 1.4.1",
+ "http",
+ "http-body",
+ "hyper",
  "pin-project-lite",
  "socket2",
  "tokio",
@@ -921,9 +806,9 @@ checksum = "8f518f335dce6725a761382244631d86cf0ccb2863413590b31338feb467f9c3"
 
 [[package]]
 name = "itertools"
-version = "0.12.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba291022dbbd398a455acf126c1e341954079855bc60dfdda641363bd6922569"
+checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
 dependencies = [
  "either",
 ]
@@ -980,14 +865,14 @@ dependencies = [
 name = "jwt-authorizer"
 version = "0.14.0"
 dependencies = [
- "axum 0.7.5",
+ "axum",
  "chrono",
  "futures-core",
  "futures-util",
  "headers",
- "http 1.1.0",
+ "http",
  "http-body-util",
- "hyper 1.4.1",
+ "hyper",
  "jsonwebtoken",
  "lazy_static",
  "pin-project",
@@ -1191,7 +1076,7 @@ version = "0.10.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9529f4786b70a3e8c61e11179af17ab6188ad8d0ded78c5529441ed39d4bd9c1"
 dependencies = [
- "bitflags 2.6.0",
+ "bitflags",
  "cfg-if",
  "foreign-types",
  "libc",
@@ -1348,9 +1233,9 @@ dependencies = [
 
 [[package]]
 name = "prost"
-version = "0.12.6"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "deb1435c188b76130da55f17a466d252ff7b1418b2ad3e037d127b94e3411f29"
+checksum = "e13db3d3fde688c61e2446b4d843bc27a7e8af269a69440c0308021dc92333cc"
 dependencies = [
  "bytes",
  "prost-derive",
@@ -1358,9 +1243,9 @@ dependencies = [
 
 [[package]]
 name = "prost-derive"
-version = "0.12.6"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "81bddcdb20abf9501610992b6759a4c888aef7d1a7247ef75e2404275ac24af1"
+checksum = "18bec9b0adc4eba778b33684b7ba3e7137789434769ee3ce3930463ef904cfca"
 dependencies = [
  "anyhow",
  "itertools",
@@ -1462,7 +1347,7 @@ version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a908a6e00f1fdd0dfd9c0eb08ce85126f6d8bbda50017e74bc4a4b7d4a926a4"
 dependencies = [
- "bitflags 2.6.0",
+ "bitflags",
 ]
 
 [[package]]
@@ -1520,11 +1405,11 @@ dependencies = [
  "encoding_rs",
  "futures-core",
  "futures-util",
- "h2 0.4.6",
- "http 1.1.0",
- "http-body 1.0.1",
+ "h2",
+ "http",
+ "http-body",
  "http-body-util",
- "hyper 1.4.1",
+ "hyper",
  "hyper-rustls",
  "hyper-tls",
  "hyper-util",
@@ -1591,7 +1476,7 @@ version = "0.38.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "70dc5ec042f7a43c4a73241207cecc9873a06d45debb38b329f8541d85c2730f"
 dependencies = [
- "bitflags 2.6.0",
+ "bitflags",
  "errno",
  "libc",
  "linux-raw-sys",
@@ -1685,7 +1570,7 @@ version = "2.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "897b2245f0b511c87893af39b033e5ca9cce68824c4d7e7630b5a1d339658d02"
 dependencies = [
- "bitflags 2.6.0",
+ "bitflags",
  "core-foundation",
  "core-foundation-sys",
  "libc",
@@ -1873,7 +1758,7 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "658bc6ee10a9b4fcf576e9b0819d95ec16f4d2c02d39fd83ac1c8789785c4a42"
 dependencies = [
- "bitflags 2.6.0",
+ "bitflags",
  "core-foundation",
  "system-configuration-sys",
 ]
@@ -1995,16 +1880,6 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
-[[package]]
-name = "tokio-io-timeout"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30b74022ada614a1b4834de765f9bb43877f910cc8ce4be40e89042c9223a8bf"
-dependencies = [
- "pin-project-lite",
- "tokio",
-]
-
 [[package]]
 name = "tokio-macros"
 version = "2.4.0"
@@ -2063,23 +1938,26 @@ dependencies = [
 
 [[package]]
 name = "tonic"
-version = "0.10.2"
+version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d560933a0de61cf715926b9cac824d4c883c2c43142f787595e48280c40a1d0e"
+checksum = "38659f4a91aba8598d27821589f5db7dddd94601e7a01b1e485a50e5484c7401"
 dependencies = [
  "async-stream",
  "async-trait",
- "axum 0.6.20",
- "base64 0.21.7",
+ "axum",
+ "base64 0.22.1",
  "bytes",
- "h2 0.3.26",
- "http 0.2.12",
- "http-body 0.4.6",
- "hyper 0.14.30",
+ "h2",
+ "http",
+ "http-body",
+ "http-body-util",
+ "hyper",
  "hyper-timeout",
+ "hyper-util",
  "percent-encoding",
  "pin-project",
  "prost",
+ "socket2",
  "tokio",
  "tokio-stream",
  "tower",
@@ -2115,10 +1993,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e9cd434a998747dd2c4276bc96ee2e0c7a2eadf3cae88e52be55a05fa9053f5"
 dependencies = [
  "base64 0.21.7",
- "bitflags 2.6.0",
+ "bitflags",
  "bytes",
- "http 1.1.0",
- "http-body 1.0.1",
+ "http",
+ "http-body",
  "http-body-util",
  "mime",
  "pin-project-lite",
@@ -2524,9 +2402,9 @@ dependencies = [
  "base64 0.21.7",
  "deadpool",
  "futures",
- "http 1.1.0",
+ "http",
  "http-body-util",
- "hyper 1.4.1",
+ "hyper",
  "hyper-util",
  "log",
  "once_cell",
diff --git a/jwt-authorizer/Cargo.toml b/jwt-authorizer/Cargo.toml
index e6d4622..2ae32d9 100644
--- a/jwt-authorizer/Cargo.toml
+++ b/jwt-authorizer/Cargo.toml
@@ -28,14 +28,14 @@ tower-layer = "0.3"
 tower-service = "0.3"
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
-tonic = { version = "0.10", optional = true }
+tonic = { version = "0.12", optional = true }
 time = { version = "0.3", optional = true }
 http-body-util = "0.1.1"
 
 [dev-dependencies]
 hyper = { version = "1.3.1", features = ["full"] }
 lazy_static = "1.4.0"
-prost = "0.12"
+prost = "0.13"
 tower = { version = "0.4.13", features = ["util", "buffer"] }
 wiremock = "0.6.0"
 
diff --git a/jwt-authorizer/src/builder.rs b/jwt-authorizer/src/builder.rs
index d1ec1bb..5f8799d 100644
--- a/jwt-authorizer/src/builder.rs
+++ b/jwt-authorizer/src/builder.rs
@@ -222,7 +222,7 @@ where
         self
     }
 
-    /// Build axum layer
+    /// Build layer
     #[deprecated(since = "0.10.0", note = "please use `IntoLayer::into_layer()` instead")]
     pub async fn layer(self) -> Result<AuthorizationLayer<C>, InitError> {
         let val = self.validation.unwrap_or_default();
diff --git a/jwt-authorizer/src/error.rs b/jwt-authorizer/src/error.rs
index 58ea29d..56f0a92 100644
--- a/jwt-authorizer/src/error.rs
+++ b/jwt-authorizer/src/error.rs
@@ -129,7 +129,7 @@ impl From<AuthError> for Response<tonic::body::BoxBody> {
                 tonic::Status::unauthenticated("error=\"no_authorizer_layer\"")
             }
         }
-        .to_http()
+        .into_http()
     }
 }
 
diff --git a/jwt-authorizer/src/layer.rs b/jwt-authorizer/src/layer.rs
index 0b96120..7ccde38 100644
--- a/jwt-authorizer/src/layer.rs
+++ b/jwt-authorizer/src/layer.rs
@@ -1,6 +1,6 @@
-use axum::extract::Request;
 use futures_core::ready;
 use futures_util::future::{self, BoxFuture};
+use http::Request;
 use jsonwebtoken::TokenData;
 use pin_project::pin_project;
 use serde::de::DeserializeOwned;
@@ -15,25 +15,26 @@ use crate::authorizer::Authorizer;
 use crate::AuthError;
 
 /// Trait for authorizing requests.
-pub trait Authorize {
-    type Future: Future<Output = Result<Request, AuthError>>;
+pub trait Authorize<B> {
+    type Future: Future<Output = Result<Request<B>, AuthError>>;
 
     /// Authorize the request.
     ///
     /// If the future resolves to `Ok(request)` then the request is allowed through, otherwise not.
-    fn authorize(&self, request: Request) -> Self::Future;
+    fn authorize(&self, request: Request<B>) -> Self::Future;
 }
 
-impl<S, C> Authorize for AuthorizationService<S, C>
+impl<S, B, C> Authorize<B> for AuthorizationService<S, C>
 where
+    B: Send + 'static,
     C: Clone + DeserializeOwned + Send + Sync + 'static,
 {
-    type Future = BoxFuture<'static, Result<Request, AuthError>>;
+    type Future = BoxFuture<'static, Result<Request<B>, AuthError>>;
 
     /// The authorizers are sequentially applied (check_auth) until one of them validates the token.
     /// If no authorizer validates the token the request is rejected.
     ///
-    fn authorize(&self, mut request: Request) -> Self::Future {
+    fn authorize(&self, mut request: Request<B>) -> Self::Future {
         let tkns_auths: Vec<(String, Arc<Authorizer<C>>)> = self
             .auths
             .iter()
@@ -154,21 +155,22 @@ where
     }
 }
 
-impl<S, C> Service<Request> for AuthorizationService<S, C>
+impl<S, C, B> Service<Request<B>> for AuthorizationService<S, C>
 where
-    S: Service<Request> + Clone,
+    B: Send + 'static,
+    S: Service<Request<B>> + Clone,
     S::Response: From<AuthError>,
     C: Clone + DeserializeOwned + Send + Sync + 'static,
 {
     type Response = S::Response;
     type Error = S::Error;
-    type Future = ResponseFuture<S, C>;
+    type Future = ResponseFuture<S, C, B>;
 
     fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
         self.inner.poll_ready(cx)
     }
 
-    fn call(&mut self, req: Request) -> Self::Future {
+    fn call(&mut self, req: Request<B>) -> Self::Future {
         let inner = self.inner.clone();
         // take the service that was ready
         let inner = std::mem::replace(&mut self.inner, inner);
@@ -184,13 +186,14 @@ where
 
 #[pin_project]
 /// Response future for [`AuthorizationService`].
-pub struct ResponseFuture<S, C>
+pub struct ResponseFuture<S, C, B>
 where
-    S: Service<Request>,
+    B: Send + 'static,
+    S: Service<Request<B>>,
     C: Clone + DeserializeOwned + Send + Sync + 'static,
 {
     #[pin]
-    state: State<<AuthorizationService<S, C> as Authorize>::Future, S::Future>,
+    state: State<<AuthorizationService<S, C> as Authorize<B>>::Future, S::Future>,
     service: S,
 }
 
@@ -206,9 +209,10 @@ enum State<A, SFut> {
     },
 }
 
-impl<S, C> Future for ResponseFuture<S, C>
+impl<S, C, B> Future for ResponseFuture<S, C, B>
 where
-    S: Service<Request>,
+    B: Send,
+    S: Service<Request<B>>,
     S::Response: From<AuthError>,
     C: Clone + DeserializeOwned + Send + Sync,
 {
diff --git a/jwt-authorizer/tests/tonic.rs b/jwt-authorizer/tests/tonic.rs
index 9523762..158ca6d 100644
--- a/jwt-authorizer/tests/tonic.rs
+++ b/jwt-authorizer/tests/tonic.rs
@@ -1,11 +1,11 @@
 use std::{sync::Once, task::Poll};
 
-use axum::body::HttpBody;
+use axum::extract::Request;
 use futures_core::future::BoxFuture;
 use http::header::AUTHORIZATION;
 use jwt_authorizer::{layer::AuthorizationService, IntoLayer, JwtAuthorizer, Validation};
 use serde::{Deserialize, Serialize};
-use tonic::{server::UnaryService, transport::NamedService, IntoRequest, Status};
+use tonic::{server::NamedService, server::UnaryService, IntoRequest, Status};
 use tower::{buffer::Buffer, Service};
 
 use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
@@ -50,7 +50,7 @@ struct GreeterServer {
     expected_sub: String,
 }
 
-impl Service<http::Request<tonic::transport::Body>> for GreeterServer {
+impl Service<http::Request<tonic::body::BoxBody>> for GreeterServer {
     type Response = http::Response<tonic::body::BoxBody>;
     type Error = std::convert::Infallible;
     type Future = BoxFuture<'static, Result<Self::Response, Self::Error>>;
@@ -59,7 +59,7 @@ impl Service<http::Request<tonic::transport::Body>> for GreeterServer {
         Poll::Ready(Ok(()))
     }
 
-    fn call(&mut self, req: http::Request<tonic::transport::Body>) -> Self::Future {
+    fn call(&mut self, req: http::Request<tonic::body::BoxBody>) -> Self::Future {
         let token = req.extensions().get::<jsonwebtoken::TokenData<User>>().unwrap();
         assert_eq!(token.claims.sub, self.expected_sub);
         match req.uri().path() {
@@ -69,7 +69,7 @@ impl Service<http::Request<tonic::transport::Body>> for GreeterServer {
             }),
             p => {
                 let p = p.to_string();
-                Box::pin(async move { Ok(Status::unimplemented(p).to_http()) })
+                Box::pin(async move { Ok(Status::unimplemented(p).into_http()) })
             }
         }
     }
@@ -82,7 +82,7 @@ impl NamedService for GreeterServer {
 async fn app(
     jwt_auth: JwtAuthorizer<User>,
     expected_sub: String,
-) -> AuthorizationService<Buffer<tonic::transport::server::Routes, http::Request<tonic::transport::Body>>, User> {
+) -> AuthorizationService<Buffer<tonic::service::Routes, Request<tonic::body::BoxBody>>, User> {
     let layer = jwt_auth.build().await.unwrap().into_layer();
     tonic::transport::Server::builder()
         .layer(layer)
@@ -102,62 +102,22 @@ fn init_test() {
     });
 }
 
-// The grpc client produces a http request with a tonic boxbody that the transport is meant to sent out, while the server side
-// expects to receive a http request with a hyper body.. This simple wrapper converts from one to
-// the other.
-struct GrpcWrapper<S>
-where
-    S: Service<http::Request<axum::body::Body>> + Clone,
-{
-    inner: S,
-}
-
-impl<S> Service<http::Request<tonic::body::BoxBody>> for GrpcWrapper<S>
-where
-    S: Service<http::Request<axum::body::Body>> + Clone + Send + 'static,
-    S::Future: Send,
-{
-    type Response = S::Response;
-    type Error = S::Error;
-    type Future = BoxFuture<'static, Result<Self::Response, Self::Error>>;
-
-    fn poll_ready(&mut self, cx: &mut std::task::Context<'_>) -> Poll<Result<(), Self::Error>> {
-        self.inner.poll_ready(cx)
-    }
-
-    fn call(&mut self, req: http::Request<tonic::body::BoxBody>) -> Self::Future {
-        let inner = self.inner.clone();
-        // take the service that was ready
-        let mut inner = std::mem::replace(&mut self.inner, inner);
-        Box::pin(async move {
-            let (parts, mut body) = req.into_parts();
-            let mut data = Vec::new();
-            while let Some(d) = body.data().await {
-                let d = d.unwrap();
-                data.extend_from_slice(&d)
-            }
-            inner
-                .call(http::Request::from_parts(parts, axum::body::Body::from(data)))
-                .await
-        })
-    }
-}
-
-async fn make_protected_request<S: Clone>(
+async fn make_protected_request<S>(
     app: AuthorizationService<S, User>,
     bearer: Option<&str>,
     message: &str,
 ) -> Result<tonic::Response<HelloMessage>, Status>
 where
     S: Service<
-            http::Request<tonic::transport::Body>,
+            http::Request<tonic::body::BoxBody>,
             Response = http::Response<tonic::body::BoxBody>,
             Error = tower::BoxError,
         > + Send
+        + Clone
         + 'static,
     S::Future: Send,
 {
-    let mut grpc = tonic::client::Grpc::new(GrpcWrapper { inner: app });
+    let mut grpc = tonic::client::Grpc::new(app);
 
     let mut request = HelloMessage {
         message: message.to_string(),