diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 3c8227b6f26f..b9d96c285e82 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -11,21 +11,27 @@ strategy:
     Linux_py38:
       vmImage: 'ubuntu-16.04'
       python.version: '3.8'
+    Linux_py39:
+      vmImage: 'ubuntu-16.04'
+      python.version: '3.9'
     macOS_py37:
       vmImage: 'macOS-10.15'
       python.version: '3.7'
     macOS_py38:
       vmImage: 'macOS-latest'
       python.version: '3.8'
+    macOS_py39:
+      vmImage: 'macOS-latest'
+      python.version: '3.9'
     Windows_py37:
       vmImage: 'vs2017-win2016'
       python.version: '3.7'
     Windows_py38:
       vmImage: 'windows-latest'
       python.version: '3.8'
-    Windows_pyPre:
-      vmImage: 'vs2017-win2016'
-      python.version: 'Pre'
+    Windows_py39:
+      vmImage: 'windows-latest'
+      python.version: '3.9'
   maxParallel: 4
 
 pool: