diff --git a/torch_ort/requirements-dev.txt b/torch_ort/requirements-dev.txt
index f90d3ce..b6abdeb 100644
--- a/torch_ort/requirements-dev.txt
+++ b/torch_ort/requirements-dev.txt
@@ -1,7 +1,8 @@
 # required for CI test
 pandas
 scikit-learn
-numpy
+numpy==2.1.0 ; python_version < '3.11'
+numpy==2.1.0 ; python_version >= '3.11'
 transformers==v4.4.2
 torch
 torchvision