From f4f4a773c117b945b5e3e70c88d27b5a19b7d462 Mon Sep 17 00:00:00 2001
From: Steven Chim <655241+chimurai@users.noreply.github.com>
Date: Sat, 6 Apr 2024 13:31:05 +0200
Subject: [PATCH] fix(type): fix RequestHandler return type (#980)

---
 CHANGELOG.md | 4 ++++
 src/types.ts | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7a48ef00..8a26f98c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## [next](https://github.com/chimurai/http-proxy-middleware/releases)
+
+- fix(type): fix RequestHandler return type
+
 ## [v3.0.0](https://github.com/chimurai/http-proxy-middleware/releases/tag/v3.0.0)
 
 This release contains some breaking changes.
diff --git a/src/types.ts b/src/types.ts
index 7fd796f3..5087decb 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -16,7 +16,7 @@ export interface RequestHandler<
   TRes = http.ServerResponse,
   TNext = NextFunction,
 > {
-  (req: TReq, res: TRes, next?: TNext): void | Promise<void>;
+  (req: TReq, res: TRes, next?: TNext): Promise<void>;
   upgrade: (req: http.IncomingMessage, socket: net.Socket, head: Buffer) => void;
 }