diff --git a/mediapipe/tasks/cc/vision/object_detector/object_detector.cc b/mediapipe/tasks/cc/vision/object_detector/object_detector.cc
index 9483d73c0..fe0651e1e 100644
--- a/mediapipe/tasks/cc/vision/object_detector/object_detector.cc
+++ b/mediapipe/tasks/cc/vision/object_detector/object_detector.cc
@@ -170,7 +170,7 @@ absl::StatusOr<ObjectDetectorResult> ObjectDetector::Detect(
 }
 
 absl::StatusOr<ObjectDetectorResult> ObjectDetector::DetectForVideo(
-    mediapipe::Image image, int64 timestamp_ms,
+    mediapipe::Image image, int64_t timestamp_ms,
     std::optional<core::ImageProcessingOptions> image_processing_options) {
   if (image.UsesGpu()) {
     return CreateStatusWithPayload(
@@ -195,7 +195,7 @@ absl::StatusOr<ObjectDetectorResult> ObjectDetector::DetectForVideo(
 }
 
 absl::Status ObjectDetector::DetectAsync(
-    Image image, int64 timestamp_ms,
+    Image image, int64_t timestamp_ms,
     std::optional<core::ImageProcessingOptions> image_processing_options) {
   if (image.UsesGpu()) {
     return CreateStatusWithPayload(
diff --git a/mediapipe/tasks/cc/vision/object_detector/object_detector_graph.cc b/mediapipe/tasks/cc/vision/object_detector/object_detector_graph.cc
index cb85fc46f..e0eb32fdd 100644
--- a/mediapipe/tasks/cc/vision/object_detector/object_detector_graph.cc
+++ b/mediapipe/tasks/cc/vision/object_detector/object_detector_graph.cc
@@ -64,7 +64,7 @@ using ::tflite::EnumNameContentProperties;
 using ::tflite::ProcessUnit;
 using ::tflite::ProcessUnitOptions_ScoreThresholdingOptions;
 using ::tflite::TensorMetadata;
-using LabelItems = mediapipe::proto_ns::Map<int64, ::mediapipe::LabelMapItem>;
+using LabelItems = mediapipe::proto_ns::Map<int64_t, ::mediapipe::LabelMapItem>;
 using ObjectDetectorOptionsProto =
     object_detector::proto::ObjectDetectorOptions;
 using TensorsSource =