diff --git a/tools/ci_build/github/azure-pipelines/orttraining-linux-external-custom-ops.yml b/tools/ci_build/github/azure-pipelines/orttraining-linux-external-custom-ops.yml
index 512cb806ed..e3eb972f69 100644
--- a/tools/ci_build/github/azure-pipelines/orttraining-linux-external-custom-ops.yml
+++ b/tools/ci_build/github/azure-pipelines/orttraining-linux-external-custom-ops.yml
@@ -3,7 +3,7 @@ jobs:
   timeoutInMinutes: 120
   workspace:
     clean: all
-  pool: Linux-CPU-2019
+  pool: onnxruntime-training-linux-ext-custom-ops
   steps:
   - checkout: self
     clean: true