diff --git a/.azure/pipelines/test_setup.yaml b/.azure/pipelines/test_setup.yaml
index 577b3c12..1f569ed8 100644
--- a/.azure/pipelines/test_setup.yaml
+++ b/.azure/pipelines/test_setup.yaml
@@ -62,6 +62,7 @@ steps:
 # -----------------------------------------------------------------------------
 # Build the YamlTestAdapter
 # -----------------------------------------------------------------------------
+- task: NuGetAuthenticate@1
 - task: DotNetCoreCLI@2
   displayName: Build Test Adapters
   inputs: