diff --git a/.github/workflows/gpu-bench.yml b/.github/workflows/gpu-bench.yml
index 06a7ac3b..f1ba0d74 100644
--- a/.github/workflows/gpu-bench.yml
+++ b/.github/workflows/gpu-bench.yml
@@ -128,4 +128,5 @@ jobs:
           WORKFLOW_URL: ${{ env.WORKFLOW_URL }}
           NOISE_THRESHOLD: ${{ env.NOISE_THRESHOLD }}
         with:
+          update_existing: true
           filename: .github/PERF_REGRESSION.md
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