--- a/.github/workflows/make-bench.yml
+++ b/.github/workflows/make-bench.yml
@@ -42,12 +42,17 @@
         run: |
           time make bench
 
+      - name: Run node dev mode in background
+        working-directory: ./
+        run: |
+          ./target/release/unique-collator --dev &
+
       - name: RUN Calibrate
         working-directory: ./tests
         run: |
           yarn install
-          yarn ts-node src/calibrate.ts
-          yarn ts-node src/calibrateApply.ts
+          yarn ts-node --esm src/calibrate.ts
+          yarn ts-node --esm src/calibrateApply.ts
           
       - name: show git diff
         run: |