diff --git a/dio/test/cancel_token_test.dart b/dio/test/cancel_token_test.dart
index 9ba6bd1ec..76b6b506f 100644
--- a/dio/test/cancel_token_test.dart
+++ b/dio/test/cancel_token_test.dart
@@ -173,7 +173,7 @@ void main() {
     expect(requestsReferences, hasLength(2));
 
     // GC.
-    List.generate(1 * 1024 * 1024, (index) => Object());
+    List.generate(4 * 1024 * 1024, (index) => Object());
     expect(requestsReferences.every((e) => e.target == null), isTrue);
   });
 }