diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d63a8b6d77..3c6ac696e9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -197,7 +197,7 @@ jobs:
 
       - name: test changed packages
         if: ${{ steps.yarn-lock.outcome == 'success' }}
-        run: yarn lerna run test --since origin/master -- --coverage --runInBand
+        run: yarn backstage-cli repo test --maxWorkers=2 --workerIdleMemoryLimit=1300M --since origin/master
         env:
           BACKSTAGE_NEXT_TESTS: 1
           BACKSTAGE_TEST_DISABLE_DOCKER: 1
@@ -208,7 +208,7 @@ jobs:
       - name: test all packages (and upload coverage)
         if: ${{ steps.yarn-lock.outcome == 'failure' }}
         run: |
-          yarn lerna run test -- --coverage --runInBand
+          yarn backstage-cli repo test --maxWorkers=2 --workerIdleMemoryLimit=1300M --coverage
           bash <(curl -s https://codecov.io/bash) -N $(git rev-parse FETCH_HEAD)
         env:
           BACKSTAGE_NEXT_TESTS: 1
diff --git a/.github/workflows/deploy_packages.yml b/.github/workflows/deploy_packages.yml
index 6fa34e408f..f2e4cbeb4c 100644
--- a/.github/workflows/deploy_packages.yml
+++ b/.github/workflows/deploy_packages.yml
@@ -97,7 +97,7 @@ jobs:
 
       - name: test (and upload coverage)
         run: |
-          yarn lerna run test -- --coverage --runInBand
+          yarn backstage-cli repo test --maxWorkers=2 --workerIdleMemoryLimit=1300M --coverage
           bash <(curl -s https://codecov.io/bash)
           # Upload code coverage for some specific flags. Also see .codecov.yml
           bash <(curl -s https://codecov.io/bash) -f packages/core-app-api/coverage/* -F core-app-api
diff --git a/.github/workflows/verify_windows.yml b/.github/workflows/verify_windows.yml
index 0b12caf2fc..8bbaa645bf 100644
--- a/.github/workflows/verify_windows.yml
+++ b/.github/workflows/verify_windows.yml
@@ -46,7 +46,7 @@ jobs:
         run: yarn lint:type-deps
 
       - name: test
-        run: yarn lerna run test
+        run: yarn backstage-cli repo test --maxWorkers=2 --workerIdleMemoryLimit=1300M
         env:
           BACKSTAGE_NEXT_TESTS: 1
           BACKSTAGE_TEST_DISABLE_DOCKER: 1