diff --git a/pip/requirements.txt b/pip/requirements.txt
index d46f368c87c..6e7490a5269 100644
--- a/pip/requirements.txt
+++ b/pip/requirements.txt
@@ -155,8 +155,7 @@ numexpr==2.7.1
 numpy==1.16.6 ; python_version<'3.0'
 numpy==1.17.5 ; python_version>'3.0'
 #NO_AUTO_UPDATE:2: numpy versions >1.15.1 fail on aarch64
-numpy==1.15.1 ; python_version<'3.0' ; platform_machine=='aarch64'
-numpy==1.15.1 ; python_version>'3.0' ; platform_machine=='aarch64'
+numpy==1.16.4 ; python_version>'3.0' ; platform_machine=='aarch64'
 onnx==1.7.0
 onnxruntime==1.2.0 ; python_version>'3.0'
 opt-einsum==2.3.2 ; python_version<'3.0'