diff --git a/server/index.js b/server/index.js
index 494dcd9..c35070d 100644
--- a/server/index.js
+++ b/server/index.js
@@ -225,7 +225,7 @@ class Cap extends EventEmitter {
     const fiveMinutes = 5 * 60 * 1000;
 
     if (now - this._lastCleanup > fiveMinutes) {
-      this._cleanExpiredTokens().catch((err) => {
+      await this._cleanExpiredTokens().catch((err) => {
         console.error("[cap] cleanup failed", err);
       });
       this._lastCleanup = now;
diff --git a/server/package.json b/server/package.json
index 0b778f7..c2bac4c 100644
--- a/server/package.json
+++ b/server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@cap.js/server",
-  "version": "4.0.3",
+  "version": "4.0.4",
   "author": "Tiago",
   "repository": {
     "type": "git",