diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 4feff1f3a..7302e5d8c 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -163,6 +163,7 @@ jobs:
   variables:
      LD_LIBRARY_PATH: /usr/local/opt/llvm/lib
      LIBRARY_PATH: /usr/local/opt/llvm/lib
+     MACOSX_DEPLOYMENT_TARGET: 11.0
   steps:   
   - script: |
       brew update