diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 364c02bd76..4c46380fef 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -216,7 +216,7 @@ jobs:
         run: yarn backstage-cli repo lint --since origin/master
 
       - name: test changed packages
-        run: yarn backstage-cli repo test --maxWorkers=2 --workerIdleMemoryLimit=1300M --since origin/master
+        run: yarn backstage-cli repo test --maxWorkers=4 --workerIdleMemoryLimit=1300M --since origin/master
         env:
           BACKSTAGE_TEST_DISABLE_DOCKER: 1
           BACKSTAGE_TEST_DATABASE_POSTGRES16_CONNECTION_STRING: postgresql://postgres:postgres@localhost:${{ job.services.postgres16.ports[5432] }}
diff --git a/.github/workflows/deploy_packages.yml b/.github/workflows/deploy_packages.yml
index 0d81f1c40a..cd7ca23a86 100644
--- a/.github/workflows/deploy_packages.yml
+++ b/.github/workflows/deploy_packages.yml
@@ -98,7 +98,7 @@ jobs:
 
       - name: test (and upload coverage)
         run: |
-          yarn backstage-cli repo test --maxWorkers=2 --workerIdleMemoryLimit=1300M --coverage
+          yarn backstage-cli repo test --maxWorkers=4 --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 4cffa959da..0acf1cc1ef 100644
--- a/.github/workflows/verify_windows.yml
+++ b/.github/workflows/verify_windows.yml
@@ -55,7 +55,7 @@ jobs:
         run: yarn lint:type-deps
 
       - name: test
-        run: yarn backstage-cli repo test --maxWorkers=2 --workerIdleMemoryLimit=1300M
+        run: yarn backstage-cli repo test --maxWorkers=4 --workerIdleMemoryLimit=1300M
         env:
           BACKSTAGE_TEST_DISABLE_DOCKER: 1