diff --git a/call/bitrate_allocator_unittest.cc b/call/bitrate_allocator_unittest.cc
index 1479a47..00fb236 100644
--- a/call/bitrate_allocator_unittest.cc
+++ b/call/bitrate_allocator_unittest.cc
@@ -47,7 +47,10 @@
 
 class MockLimitObserver : public BitrateAllocator::LimitObserver {
  public:
-  MOCK_METHOD1(OnAllocationLimitsChanged, void(BitrateAllocationLimits));
+  MOCK_METHOD(void,
+              OnAllocationLimitsChanged,
+              (BitrateAllocationLimits),
+              (override));
 };
 
 class TestBitrateObserver : public BitrateAllocatorObserver {