diff --git a/sharing/nearby_sharing_service_impl_test.cc b/sharing/nearby_sharing_service_impl_test.cc
index 38fa1a53..90554104 100644
--- a/sharing/nearby_sharing_service_impl_test.cc
+++ b/sharing/nearby_sharing_service_impl_test.cc
@@ -134,6 +134,8 @@ class MockShareTargetDiscoveredCallback : public ShareTargetDiscoveredCallback {
               (override));
   MOCK_METHOD(void, OnShareTargetLost, (const ShareTarget& share_target),
               (override));
+  MOCK_METHOD(void, OnShareTargetUpdated, (const ShareTarget& share_target),
+              (override));
 };
 
 class MockNearbySharingDecoder : public NearbySharingDecoder {
diff --git a/sharing/share_target_discovered_callback.h b/sharing/share_target_discovered_callback.h
index a6d30c66..1e26474e 100644
--- a/sharing/share_target_discovered_callback.h
+++ b/sharing/share_target_discovered_callback.h
@@ -26,6 +26,7 @@ class ShareTargetDiscoveredCallback {
   virtual ~ShareTargetDiscoveredCallback() = default;
   virtual void OnShareTargetDiscovered(const ShareTarget& share_target) = 0;
   virtual void OnShareTargetLost(const ShareTarget& share_target) = 0;
+  virtual void OnShareTargetUpdated(const ShareTarget& share_target) = 0;
 };
 
 }  // namespace sharing