diff --git a/.github/workflows/node-js-ci.yml b/.github/workflows/node-js-ci.yml
index 684ea1b1f0..1bb801f76b 100644
--- a/.github/workflows/node-js-ci.yml
+++ b/.github/workflows/node-js-ci.yml
@@ -57,10 +57,12 @@ jobs:
       - uses: actions/setup-node@v2.1.5
         with:
           node-version: ${{ matrix.node-version }}
+      - name: Get number of CPU cores
+        uses: SimenB/github-actions-cpu-cores@v1
       - name: Install dependencies and run tests with default env
         run: |
           npm install
-          npm run jest
+          npm run jest --max-workers ${{ steps.cpu-cores.outputs.count }}
 
   # Run end-to-end tests along with the microservices in docker-compose on Linux
   e2e:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 1b88d433c2..98e0312bcd 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -57,10 +57,12 @@ jobs:
       - uses: actions/setup-node@v2.1.5
         with:
           node-version: ${{ matrix.node-version }}
+      - name: Get number of CPU cores
+        uses: SimenB/github-actions-cpu-cores@v1
       - name: Install dependencies and run tests with default env
         run: |
           npm install
-          npm run jest
+          npm run jest --max-workers ${{ steps.cpu-cores.outputs.count }}
 
   # Run end-to-end tests along with the microservices in docker-compose on Linux
   e2e: