diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index 1605a77fc..28861001c 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -16,9 +16,10 @@ jobs:
         run: pip install glances
 
       - name: Start Glances in background
+        id: start-glances
         run: |
           glances --export csv --export-csv-file glances.csv --quiet &
-          echo $! > GLANCES_PID
+          echo "pid=$!" >> "$GITHUB_OUTPUT"
 
       - name: Free disk space
         uses: jlumbroso/free-disk-space@v1.3.1
@@ -54,7 +55,7 @@ jobs:
         run: just install-dependencies
 
       - name: Stop Glances
-        run: kill $(cat GLANCES_PID)
+        run: kill ${{ steps.start-glances.outputs.pid }}
 
       - name: Upload Glances CSV
         uses: actions/upload-artifact@v4