diff --git a/package-lock.json b/package-lock.json
index 33b83d3ba7..99ed95d6ee 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15507,7 +15507,7 @@
       }
     },
     "packages/engine.io": {
-      "version": "6.6.3",
+      "version": "6.6.4",
       "license": "MIT",
       "dependencies": {
         "@types/cors": "^2.8.12",
diff --git a/packages/socket.io/lib/index.ts b/packages/socket.io/lib/index.ts
index b77b8fd3fd..ce23eb8e89 100644
--- a/packages/socket.io/lib/index.ts
+++ b/packages/socket.io/lib/index.ts
@@ -821,7 +821,16 @@ export class Server<
     restoreAdapter();
 
     if (this.httpServer) {
-      this.httpServer.close(fn);
+      await new Promise<void>((resolve, reject) => {
+        this.httpServer.close((err) => {
+          fn && fn(err);
+          if (err) {
+            reject(err);
+          } else {
+            resolve();
+          }
+        });
+      });
     } else {
       fn && fn();
     }