diff --git a/.cargo_vcs_info.json b/.cargo_vcs_info.json
index 65f73e6..cd32e59 100644
--- a/.cargo_vcs_info.json
+++ b/.cargo_vcs_info.json
@@ -1,5 +1,5 @@
 {
   "git": {
-    "sha1": "6695236fd9addd26caa11e2867ccf2adc9ffce81"
+    "sha1": "46e46dcc8ed0279028b83f1ff623ee6cfe9ef65e"
   }
 }
diff --git a/Android.bp b/Android.bp
index 6e5e11d..4e87f35 100644
--- a/Android.bp
+++ b/Android.bp
@@ -13,7 +13,7 @@
 }
 
 // dependent_library ["feature_list"]
-//   proc-macro2-1.0.19 "default,proc-macro"
+//   proc-macro2-1.0.24 "default,proc-macro"
 //   quote-1.0.7 "default,proc-macro"
-//   syn-1.0.38 "clone-impls,default,derive,extra-traits,full,parsing,printing,proc-macro,quote,visit,visit-mut"
+//   syn-1.0.48 "clone-impls,default,derive,extra-traits,full,parsing,printing,proc-macro,quote,visit,visit-mut"
 //   unicode-xid-0.2.1 "default"
diff --git a/Cargo.toml b/Cargo.toml
index 968245f..54bab1a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@
 [package]
 edition = "2018"
 name = "async-trait"
-version = "0.1.40"
+version = "0.1.41"
 authors = ["David Tolnay <dtolnay@gmail.com>"]
 description = "Type erasure for async trait methods"
 documentation = "https://docs.rs/async-trait"
diff --git a/Cargo.toml.orig b/Cargo.toml.orig
index 788bcdf..9a9ed1d 100644
--- a/Cargo.toml.orig
+++ b/Cargo.toml.orig
@@ -1,6 +1,6 @@
 [package]
 name = "async-trait"
-version = "0.1.40"
+version = "0.1.41"
 authors = ["David Tolnay <dtolnay@gmail.com>"]
 edition = "2018"
 license = "MIT OR Apache-2.0"
diff --git a/METADATA b/METADATA
index a0eb879..5a455fd 100644
--- a/METADATA
+++ b/METADATA
@@ -7,13 +7,13 @@
   }
   url {
     type: ARCHIVE
-    value: "https://static.crates.io/crates/async-trait/async-trait-0.1.40.crate"
+    value: "https://static.crates.io/crates/async-trait/async-trait-0.1.41.crate"
   }
-  version: "0.1.40"
+  version: "0.1.41"
   license_type: NOTICE
   last_upgrade_date {
     year: 2020
-    month: 9
-    day: 1
+    month: 10
+    day: 26
   }
 }
diff --git a/src/expand.rs b/src/expand.rs
index f868c7d..aac8e46 100644
--- a/src/expand.rs
+++ b/src/expand.rs
@@ -72,6 +72,7 @@
                         if let Some(block) = block {
                             has_self |= has_self_in_block(block);
                             transform_block(context, sig, block, has_self, is_local);
+                            method.attrs.push(parse_quote!(#[allow(clippy::used_underscore_binding)]));
                         }
                         let has_default = method.default.is_some();
                         transform_sig(context, sig, has_self, has_default, is_local);
@@ -101,6 +102,7 @@
                         let has_self = has_self_in_sig(sig) || has_self_in_block(block);
                         transform_block(context, sig, block, has_self, is_local);
                         transform_sig(context, sig, has_self, false, is_local);
+                        method.attrs.push(parse_quote!(#[allow(clippy::used_underscore_binding)]));
                     }
                 }
             }
diff --git a/tests/test.rs b/tests/test.rs
index 2d8b75b..002fd20 100644
--- a/tests/test.rs
+++ b/tests/test.rs
@@ -1025,3 +1025,26 @@
     #[async_trait]
     impl<T> Trait<T> for () {}
 }
+
+// https://github.com/dtolnay/async-trait/issues/129
+pub mod issue129 {
+    #![deny(clippy::pedantic)]
+
+    use async_trait::async_trait;
+
+    #[async_trait]
+    pub trait TestTrait {
+        async fn a(_b: u8, c: u8) -> u8 {
+            c
+        }
+    }
+
+    pub struct TestStruct;
+
+    #[async_trait]
+    impl TestTrait for TestStruct {
+        async fn a(_b: u8, c: u8) -> u8 {
+            c
+        }
+    }
+}
diff --git a/tests/ui/send-not-implemented.stderr b/tests/ui/send-not-implemented.stderr
index 2f288f5..05c445b 100644
--- a/tests/ui/send-not-implemented.stderr
+++ b/tests/ui/send-not-implemented.stderr
@@ -9,14 +9,14 @@
 12 | |     }
    | |_____^ future returned by `__test` is not `Send`
    |
-   = help: within `impl std::future::Future`, the trait `std::marker::Send` is not implemented for `std::sync::MutexGuard<'_, ()>`
+   = help: within `impl Future`, the trait `Send` is not implemented for `MutexGuard<'_, ()>`
 note: future is not `Send` as this value is used across an await
   --> $DIR/send-not-implemented.rs:11:9
    |
 10 |         let _guard = mutex.lock().unwrap();
-   |             ------ has type `std::sync::MutexGuard<'_, ()>` which is not `Send`
+   |             ------ has type `MutexGuard<'_, ()>` which is not `Send`
 11 |         f().await;
    |         ^^^^^^^^^ await occurs here, with `_guard` maybe used later
 12 |     }
    |     - `_guard` is later dropped here
-   = note: required for the cast to the object type `dyn std::future::Future<Output = ()> + std::marker::Send`
+   = note: required for the cast to the object type `dyn Future<Output = ()> + Send`