diff --git a/.azure/ci-windows-job.yml b/.azure/ci-windows-job.yml
index 2ba88e1a..61f21c86 100644
--- a/.azure/ci-windows-job.yml
+++ b/.azure/ci-windows-job.yml
@@ -71,7 +71,7 @@ jobs:
       curl -O https://bootstrap.pypa.io/get-pip.py
       python get-pip.py
       python -m pip install -U setuptools wheel
-      python -m pip install -r requirements.txt
+      python -m pip install --prefer-binary -r requirements.txt
     displayName: 'Install Python dependencies'
 
   - task: BatchScript@1