diff --git a/.github/azure-steps.yml b/.github/azure-steps.yml
index 2f77706b8..6226af710 100644
--- a/.github/azure-steps.yml
+++ b/.github/azure-steps.yml
@@ -100,6 +100,8 @@ steps:
 
   - script: |
       python -m pip install -U -r requirements.txt
+      # TEMP: upgrade to latest prerelease numpy for testing
+      python -m pip install -U --pre numpy
     displayName: "Install test requirements"
 
   - script: |