diff --git a/build/azure-pipelines.yml b/build/azure-pipelines.yml
index afbd565af6..71aced42d9 100644
--- a/build/azure-pipelines.yml
+++ b/build/azure-pipelines.yml
@@ -301,6 +301,8 @@ stages:
         pool:
           vmImage: $(vmImage)
         steps:
+          - checkout: self
+            submodules: true
           - task: DownloadPipelineArtifact@2
             displayName: Download build artifacts
             inputs: