diff --git a/.azure-pipelines/pr-validation.yml b/.azure-pipelines/pr-validation.yml
index e59de761bbc..680c51bf7cf 100644
--- a/.azure-pipelines/pr-validation.yml
+++ b/.azure-pipelines/pr-validation.yml
@@ -13,7 +13,7 @@ pr:
 jobs:
 - job: prepare
   displayName: generate matrix
-  pool: pool-ubuntu-2004
+  pool: pool-ubuntu-2404
   steps:
   - powershell: |
       $ServiceNames = $env:ServiceNames -split ',' | ForEach-Object {$_.Trim()}