diff --git a/eng/pipelines/prepare-pipelines.yml b/eng/pipelines/prepare-pipelines.yml
index 230179110251f..bbbc2ab955ea6 100644
--- a/eng/pipelines/prepare-pipelines.yml
+++ b/eng/pipelines/prepare-pipelines.yml
@@ -1,5 +1,8 @@
 trigger: none
 
+variables:
+  NugetSecurityAnalysisWarningLevel: warn
+
 extends:
   template: /eng/common/pipelines/templates/steps/prepare-pipelines.yml
   parameters: