diff --git a/requirements-dev.txt b/requirements-dev.txt
index ff234c856e..1dc2141cf6 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -51,7 +51,8 @@ h5py
 nni==2.10.1; platform_system == "Linux" and "arm" not in platform_machine and "aarch" not in platform_machine
 optuna
 git+https://github.com/Project-MONAI/MetricsReloaded@monai-support#egg=MetricsReloaded
-onnx>=1.13.0, <1.19.1
+onnx>=1.13.0
+onnxscript
 onnxruntime; python_version <= '3.10'
 typeguard<3  # https://github.com/microsoft/nni/issues/5457
 filelock<3.12.0  # https://github.com/microsoft/nni/issues/5523