diff --git a/azure-pipelines/build.yml b/azure-pipelines/build.yml
index 1462628c8..a73ccda4c 100644
--- a/azure-pipelines/build.yml
+++ b/azure-pipelines/build.yml
@@ -17,7 +17,7 @@ jobs:
 
 - job: macOS
   pool:
-    vmImage: macOS 10.13
+    vmImage: macOS-10.15
   steps:
   - template: install-dependencies.yml
   - template: dotnet.yml