diff --git a/src/FirebaseGuard.php b/src/FirebaseGuard.php
index 8003fb7..69b9d90 100644
--- a/src/FirebaseGuard.php
+++ b/src/FirebaseGuard.php
@@ -46,6 +46,10 @@ public function user(Request $request)
                 ->setFirebaseAuthenticationToken($token)
                 ->resolveByClaims($firebaseToken->getClaims());
         } catch (\Exception $e) {
+            if ($e instanceof \Firebase\Auth\Token\Exception\ExpiredToken) {
+                return;
+            }
+
             if (config('app.debug')) {
                 throw $e;
             }