diff --git a/.github/workflows/runner-preparation.yml b/.github/workflows/runner-preparation.yml
index 9c31c76fa9b5..a2239bd53877 100644
--- a/.github/workflows/runner-preparation.yml
+++ b/.github/workflows/runner-preparation.yml
@@ -101,11 +101,11 @@ jobs:
         if: env.enable_integration == 'true'
         run: |
           if [ x"${{ github.repository }}" == x"triton-lang/triton" ]; then
-            echo '::set-output name=matrix-NVIDIA::[{"name":"nvidia-a100","runner_type":"nvidia-a100","runs_on":["nvidia-a100"]},{"name":"nvidia-h100","runner_type":"nvidia-h100","runs_on":["nvidia-h100"]},{"name":"nvidia-gb200","runner_type":"nvidia-gb200","runs_on":{"group":"gb200-runner-set"}}]'
-            echo '::set-output name=matrix-AMD::[["self-hosted", "gfx90a"], ["amd-gfx942"], ["amd-gfx950"]]'
-            echo '::set-output name=matrix-MACOS::[["macos-latest"]]'
+            echo 'matrix-NVIDIA=[{"name":"nvidia-a100","runner_type":"nvidia-a100","runs_on":["nvidia-a100"]},{"name":"nvidia-h100","runner_type":"nvidia-h100","runs_on":["nvidia-h100"]},{"name":"nvidia-gb200","runner_type":"nvidia-gb200","runs_on":{"group":"gb200-runner-set"}}]' >> "$GITHUB_OUTPUT"
+            echo 'matrix-AMD=[["self-hosted", "gfx90a"], ["amd-gfx942"], ["amd-gfx950"]]' >> "$GITHUB_OUTPUT"
+            echo 'matrix-MACOS=[["macos-latest"]]' >> "$GITHUB_OUTPUT"
           else
-            echo '::set-output name=matrix-NVIDIA::[{"name":"ubuntu-latest","runner_type":"ubuntu-latest","runs_on":"ubuntu-latest"}]'
-            echo '::set-output name=matrix-AMD::["ubuntu-latest"]'
-            echo '::set-output name=matrix-MACOS::[["macos-latest"]]'
+            echo 'matrix-NVIDIA=[{"name":"ubuntu-latest","runner_type":"ubuntu-latest","runs_on":"ubuntu-latest"}]' >> "$GITHUB_OUTPUT"
+            echo 'matrix-AMD=["ubuntu-latest"]' >> "$GITHUB_OUTPUT"
+            echo 'matrix-MACOS=[["macos-latest"]]' >> "$GITHUB_OUTPUT"
           fi