diff --git a/.azure/ci-macos-job.yml b/.azure/ci-macos-job.yml
index 0958bb21..733fd342 100644
--- a/.azure/ci-macos-job.yml
+++ b/.azure/ci-macos-job.yml
@@ -3,7 +3,7 @@ jobs:
   timeoutInMinutes: 90
   displayName: 'MacOS CI'
   pool:
-    vmImage: 'macOS-1015'
+    vmImage: 'macOS-11'
   strategy:
     matrix:
       Py37: