diff --git a/README.md b/README.md
index 676a5257..32e11029 100644
--- a/README.md
+++ b/README.md
@@ -127,7 +127,7 @@ npm test
 | [napi_create_typedarray](https://nodejs.org/api/n-api.html#n_api_napi_create_typedarray) | 1            | v8.0.0               | ⛔️      |
 | [napi_create_dataview](https://nodejs.org/api/n-api.html#n_api_napi_create_dataview) | 1            | v8.3.0               | ⛔️      |
 | [napi_create_int32](https://nodejs.org/api/n-api.html#n_api_napi_create_int32) | 1            | v8.4.0               | ⛔️      |
-| [napi_create_uint32](https://nodejs.org/api/n-api.html#n_api_napi_create_uint32) | 1            | v8.4.0               | ⛔️      |
+| [napi_create_uint32](https://nodejs.org/api/n-api.html#n_api_napi_create_uint32) | 1            | v8.4.0               | ✅      |
 | [napi_create_int64](https://nodejs.org/api/n-api.html#n_api_napi_create_int64) | 1            | v8.4.0               | ✅      |
 | [napi_create_double](https://nodejs.org/api/n-api.html#n_api_napi_create_double) | 1            | v8.4.0               | ⛔️      |
 | [napi_create_bigint_int64](https://nodejs.org/api/n-api.html#n_api_napi_create_bigint_int64) | 6            | v10.7.0              | ⛔️      |
diff --git a/napi/src/lib.rs b/napi/src/lib.rs
index c6f5f08f..e0f7045f 100644
--- a/napi/src/lib.rs
+++ b/napi/src/lib.rs
@@ -45,6 +45,7 @@ pub struct Boolean {
 #[derive(Clone, Copy, Debug)]
 pub enum Number {
   Int(i64),
+  U32(u32),
   Double(f64),
 }
 
@@ -266,6 +267,14 @@ impl Env {
     Ok(Value::from_raw_value(self, raw_value, Number::Int(int)))
   }
 
+  pub fn create_uint32<'a>(&'a self, number: u32) -> Result<Value<'a, Number>> {
+    let mut raw_value = ptr::null_mut();
+    let status =
+      unsafe { sys::napi_create_uint32(self.0, number, (&mut raw_value) as *mut sys::napi_value) };
+    check_status(status)?;
+    Ok(Value::from_raw_value(self, raw_value, Number::U32(number)))
+  }
+
   pub fn create_double<'a>(&'a self, double: f64) -> Result<Value<'a, Number>> {
     let mut raw_value = ptr::null_mut();
     let status =
@@ -1043,6 +1052,12 @@ impl<'env> Value<'env, Object> {
   }
 }
 
+impl<'env> AsRef<[u8]> for Value<'env, Buffer> {
+  fn as_ref(&self) -> &[u8] {
+    self.deref()
+  }
+}
+
 impl<'env> Deref for Value<'env, Buffer> {
   type Target = [u8];