diff --git a/package.json b/package.json
index aa15de9..620f479 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "colyseus.js",
-  "version": "0.15.19",
+  "version": "0.15.20",
   "description": "Colyseus Multiplayer SDK for JavaScript/TypeScript",
   "author": "Endel Dreyer",
   "license": "MIT",
diff --git a/src/HTTP.ts b/src/HTTP.ts
index 1007ebf..a6d2259 100644
--- a/src/HTTP.ts
+++ b/src/HTTP.ts
@@ -36,9 +36,11 @@ export class HTTP {
             }
 
             options.headers['Authorization'] = `Bearer ${this.authToken}`;
-            options.withCredentials = true;
         }
 
+        // always include credentials
+        options.withCredentials = true;
+
         return options;
     }
 }