diff --git a/.github/workflows/test-release.yaml b/.github/workflows/test-release.yaml
index 152b3a37..b33f7efa 100644
--- a/.github/workflows/test-release.yaml
+++ b/.github/workflows/test-release.yaml
@@ -82,7 +82,7 @@ jobs:
               yarn test --verbose
               yarn tsc -p examples/napi/tsconfig.json --noEmit
               yarn test:macro
-            toolchain: 1.57.0
+            toolchain: 1.63.0
           - host: macos-latest
             target: x86_64-apple-darwin
             build: yarn build:test
@@ -113,10 +113,10 @@ jobs:
             toolchain: stable
         exclude:
           - settings:
-              toolchain: 1.57.0
+              toolchain: 1.63.0
             node: 18
           - settings:
-              toolchain: 1.57.0
+              toolchain: 1.63.0
             node: 20
           - settings:
               target: i686-pc-windows-msvc
diff --git a/crates/backend/Cargo.toml b/crates/backend/Cargo.toml
index c2dcd028..3b02850b 100644
--- a/crates/backend/Cargo.toml
+++ b/crates/backend/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT"
 name = "napi-derive-backend"
 readme = "README.md"
 repository = "https://github.com/napi-rs/napi-rs"
-rust-version = "1.57"
+rust-version = "1.63"
 version = "1.0.52"
 
 [package.metadata.workspaces]
diff --git a/crates/build/Cargo.toml b/crates/build/Cargo.toml
index 07d0a692..c21488ef 100644
--- a/crates/build/Cargo.toml
+++ b/crates/build/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT"
 name = "napi-build"
 readme = "README.md"
 repository = "https://github.com/napi-rs/napi-rs"
-rust-version = "1.57"
+rust-version = "1.63"
 version = "2.0.1"
 
 [package.metadata.workspaces]
diff --git a/crates/macro/Cargo.toml b/crates/macro/Cargo.toml
index b11d768d..39d1c78e 100644
--- a/crates/macro/Cargo.toml
+++ b/crates/macro/Cargo.toml
@@ -7,7 +7,7 @@ license = "MIT"
 name = "napi-derive"
 readme = "README.md"
 repository = "https://github.com/napi-rs/napi-rs"
-rust-version = "1.57"
+rust-version = "1.63"
 version = "2.13.0"
 
 [package.metadata.workspaces]
diff --git a/crates/napi/Cargo.toml b/crates/napi/Cargo.toml
index 573864f0..1b954cfe 100644
--- a/crates/napi/Cargo.toml
+++ b/crates/napi/Cargo.toml
@@ -7,7 +7,7 @@ license = "MIT"
 name = "napi"
 readme = "README.md"
 repository = "https://github.com/napi-rs/napi-rs"
-rust-version = "1.57"
+rust-version = "1.63"
 version = "2.13.2"
 
 [lib]
diff --git a/crates/napi/README.md b/crates/napi/README.md
index 98550217..0a8a9c4d 100644
--- a/crates/napi/README.md
+++ b/crates/napi/README.md
@@ -24,7 +24,7 @@ A framework for building compiled `Node.js` add-ons in `Rust` via Node-API. Webs
 
 ## MSRV
 
-**Rust** `1.57.0`
+**Rust** `1.63.0`
 
 |                       | node12 | node14 | node16 | node18 | node20 |
 | --------------------- | ------ | ------ | ------ | ------ | ------ |
diff --git a/crates/napi/src/js_values/deferred.rs b/crates/napi/src/js_values/deferred.rs
index a82e3cca..a1c5583c 100644
--- a/crates/napi/src/js_values/deferred.rs
+++ b/crates/napi/src/js_values/deferred.rs
@@ -235,8 +235,7 @@ extern "C" fn napi_resolve_deferred<Data: ToNapiValue, Resolver: FnOnce(Env) ->
         unsafe { sys::napi_reject_deferred(env, deferred, error) };
       }
       Err(err) => {
-        #[cfg(debug_assertions)]
-        {
+        if cfg!(debug_assertions) {
           println!("Failed to reject deferred: {:?}", err);
           let mut err = ptr::null_mut();
           let mut err_msg = ptr::null_mut();
diff --git a/crates/sys/Cargo.toml b/crates/sys/Cargo.toml
index 2c327949..21c2eb29 100644
--- a/crates/sys/Cargo.toml
+++ b/crates/sys/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT"
 name = "napi-sys"
 readme = "README.md"
 repository = "https://github.com/napi-rs/napi-rs"
-rust-version = "1.57"
+rust-version = "1.63"
 version = "2.2.3"
 
 [features]