diff --git a/.github/workflows/win-cpu-x64-build.yml b/.github/workflows/win-cpu-x64-build.yml
index f366b8e7f7..72fac113e2 100644
--- a/.github/workflows/win-cpu-x64-build.yml
+++ b/.github/workflows/win-cpu-x64-build.yml
@@ -27,6 +27,11 @@ jobs:
       with:
         submodules: true
 
+    - uses: actions/setup-python@v5
+      with:
+        python-version: '3.11.x'
+        architecture: 'x64'
+
     - name: Setup Visual Studio 2022
       uses: microsoft/setup-msbuild@v1.1
       with:
diff --git a/test/python/requirements-cuda.txt b/test/python/requirements-cuda.txt
index 47747cc5cc..4b50f45257 100644
--- a/test/python/requirements-cuda.txt
+++ b/test/python/requirements-cuda.txt
@@ -1,6 +1,6 @@
 -f https://download.pytorch.org/whl/torch_stable.html
 torch==2.2.1+cu118
-numpy
+numpy<2
 pytest
 onnx
 onnxruntime_gpu
diff --git a/test/python/requirements-nightly-cpu.txt b/test/python/requirements-nightly-cpu.txt
index f40a6ed605..de74e286c7 100644
--- a/test/python/requirements-nightly-cpu.txt
+++ b/test/python/requirements-nightly-cpu.txt
@@ -1,6 +1,6 @@
 -f https://download.pytorch.org/whl/torch_stable.html
 torch==2.2.1+cpu
-numpy
+numpy<2
 pytest
 onnx
 onnxruntime_gpu
diff --git a/test/python/requirements.txt b/test/python/requirements.txt
index 1cc18fc792..83e6c1da3a 100644
--- a/test/python/requirements.txt
+++ b/test/python/requirements.txt
@@ -1,2 +1,2 @@
-numpy
+numpy<2
 pytest