diff --git a/mediapipe/tasks/ios/vision/face_landmarker/BUILD b/mediapipe/tasks/ios/vision/face_landmarker/BUILD
index 14f82237..8e62ee21 100644
--- a/mediapipe/tasks/ios/vision/face_landmarker/BUILD
+++ b/mediapipe/tasks/ios/vision/face_landmarker/BUILD
@@ -45,7 +45,7 @@ objc_library(
 
 objc_library(
     name = "MPPFaceLandmarker",
-    srcs = ["sources/MPPFaceLandmarker.m"],
+    srcs = ["sources/MPPFaceLandmarker.mm"],
     hdrs = ["sources/MPPFaceLandmarker.h"],
     copts = [
         "-ObjC++",
diff --git a/mediapipe/tasks/ios/vision/face_landmarker/sources/MPPFaceLandmarker.m b/mediapipe/tasks/ios/vision/face_landmarker/sources/MPPFaceLandmarker.mm
similarity index 100%
rename from mediapipe/tasks/ios/vision/face_landmarker/sources/MPPFaceLandmarker.m
rename to mediapipe/tasks/ios/vision/face_landmarker/sources/MPPFaceLandmarker.mm