diff --git a/frontend/jest.config.cjs b/frontend/jest.config.cjs
index 190e420..6896a3a 100644
--- a/frontend/jest.config.cjs
+++ b/frontend/jest.config.cjs
@@ -7,6 +7,12 @@ module.exports = {
     '\\.scss$': '<rootDir>/__mocks__/styleMock.js',
   },
   transform: {
-    '^.+\\.(ts|tsx)$': ['ts-jest', { tsconfig: { esModuleInterop: true } }],
+    // ts-jest compiles each file with its own program and drops the automatic `@types/*`
+    // inclusion, so whichever suite jest compiles first fails with "Cannot find name
+    // 'jest'". Declaring the test globals here makes every suite compile in any order.
+    '^.+\\.(ts|tsx)$': [
+      'ts-jest',
+      { tsconfig: { esModuleInterop: true, types: ['jest', '@testing-library/jest-dom'] } },
+    ],
   },
 };