diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index db34eed9..0e364796 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -19,5 +19,6 @@ steps:
     versionSpec: $(node_version)
 
 - script: |
+    yarn
     yarn bootstrap
     yarn test:ci