diff --git a/.github/workflows/ci-front.yaml b/.github/workflows/ci-front.yaml
index a5b149a5d..f23d6169a 100644
--- a/.github/workflows/ci-front.yaml
+++ b/.github/workflows/ci-front.yaml
@@ -6,7 +6,7 @@ on:
   pull_request_target:
 jobs:
   front-test:
-    runs-on: ubuntu-latest
+    runs-on: ci-4-cores
     env:
       REACT_APP_SERVER_BASE_URL: http://localhost:3000
     steps:
diff --git a/front/package.json b/front/package.json
index 06ac7d7a0..fbbbb3fd1 100644
--- a/front/package.json
+++ b/front/package.json
@@ -68,7 +68,7 @@
     "storybook:dev": "storybook dev -p 6006 -s ../public",
     "storybook:test": "test-storybook",
     "storybook:build": "storybook build -s public",
-    "storybook:coverage": "test-storybook --coverage && npx nyc report --reporter=lcov -t coverage/storybook --report-dir coverage/storybook --check-coverage",
+    "storybook:coverage": "test-storybook --coverage --maxWorkers=3 && npx nyc report --reporter=lcov -t coverage/storybook --report-dir coverage/storybook --check-coverage",
     "graphql:generate": "dotenv cross-var graphql-codegen --config codegen.js",
     "chromatic": "dotenv cross-var npx chromatic --project-token=$CHROMATIC_PROJECT_TOKEN"
   },