diff --git a/tftrt/examples/object_detection/install_dependencies.sh b/tftrt/examples/object_detection/install_dependencies.sh
index 81ed5c983..8633f1939 100755
--- a/tftrt/examples/object_detection/install_dependencies.sh
+++ b/tftrt/examples/object_detection/install_dependencies.sh
@@ -66,5 +66,8 @@ popd
 
 echo Install cocodataset/cocoapi/PythonAPI...
 pushd $PYCOCO_DIR
-pip install .
+python setup.py build_ext --inplace
+make
+# pip install .
+python setup.py install
 popd