diff --git a/course-matrix/backend/package.json b/course-matrix/backend/package.json
index 4f800758..08aac6bc 100644
--- a/course-matrix/backend/package.json
+++ b/course-matrix/backend/package.json
@@ -5,7 +5,7 @@
   "main": "src/index.ts",
   "scripts": {
     "dev": "ts-node -r dotenv/config src/index.ts",
-    "test": "jest",
+    "test": "jest --runInBand",
     "test:watch": "jest --watch",
     "build": "vite build",
     "prod": "ts-node -r dotenv/config src/index.ts"
diff --git a/course-matrix/frontend/package.json b/course-matrix/frontend/package.json
index a7944a0b..cadfe5c2 100644
--- a/course-matrix/frontend/package.json
+++ b/course-matrix/frontend/package.json
@@ -9,7 +9,7 @@
     "lint": "eslint .",
     "preview": "vite preview",
     "prod": "vite build && vite preview --port 5173",
-    "test": "jest",
+    "test": "jest --runInBand",
     "test:watch": "jest --watch"
   },
   "dependencies": {