diff --git a/napi/Cargo.toml b/napi/Cargo.toml
index c98efa19..fefae10e 100644
--- a/napi/Cargo.toml
+++ b/napi/Cargo.toml
@@ -43,7 +43,7 @@ version = "0.3"
 
 [dependencies.once_cell]
 optional = true
-version = "1.4"
+version = "1.5"
 
 [dependencies.serde]
 optional = true
diff --git a/napi/src/env.rs b/napi/src/env.rs
index 5a982b21..666fdf76 100644
--- a/napi/src/env.rs
+++ b/napi/src/env.rs
@@ -344,7 +344,7 @@ impl Env {
 
   pub fn create_function(&self, name: &str, callback: Callback) -> Result<JsFunction> {
     let mut raw_result = ptr::null_mut();
-    let name = CString::new(name.to_owned())?;
+    let name = CString::new(name)?;
     let len = name.as_bytes().len();
     check_status(unsafe {
       sys::napi_create_function(
diff --git a/napi/src/js_values/mod.rs b/napi/src/js_values/mod.rs
index 65387f5f..4c212c41 100644
--- a/napi/src/js_values/mod.rs
+++ b/napi/src/js_values/mod.rs
@@ -269,7 +269,7 @@ macro_rules! impl_object_methods {
         let key = CString::new(name)?;
         let mut raw_value = ptr::null_mut();
         check_status(unsafe {
-          sys::napi_get_named_property(self.0.env, self.0.value, key.as_ptr(), &mut raw_value)
+          sys::napi_get_named_property(self.0.env, self.0.value, key.into_raw(), &mut raw_value)
         })?;
         T::from_raw(self.0.env, raw_value)
       }