diff --git a/reqwest-middleware/Cargo.toml b/reqwest-middleware/Cargo.toml
index bc3c547..1440017 100644
--- a/reqwest-middleware/Cargo.toml
+++ b/reqwest-middleware/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "reqwest-middleware"
-version = "0.4.1"
+version = "0.4.2"
 authors = ["Rodrigo Gryzinski <rodrigo.gryzinski@truelayer.com>"]
 edition = "2018"
 description = "Wrapper around reqwest to allow for client middleware chains."
diff --git a/reqwest-middleware/src/client.rs b/reqwest-middleware/src/client.rs
index 7740536..04141ce 100644
--- a/reqwest-middleware/src/client.rs
+++ b/reqwest-middleware/src/client.rs
@@ -527,6 +527,7 @@ impl RequestBuilder {
     /// The [request mode][mdn] will be set to 'no-cors'.
     ///
     /// [mdn]: https://developer.mozilla.org/en-US/docs/Web/API/Request/mode
+    #[deprecated(note="Deprecated Upstream")]
     pub fn fetch_mode_no_cors(self) -> Self {
         RequestBuilder {
             inner: self.inner.fetch_mode_no_cors(),