diff --git a/apps/api/jest.config.ts b/apps/api/jest.config.ts
index b87f91a79..80ca1059f 100644
--- a/apps/api/jest.config.ts
+++ b/apps/api/jest.config.ts
@@ -12,6 +12,10 @@ export default {
     ]
   },
   moduleFileExtensions: ['ts', 'js', 'html'],
+  moduleNameMapper: {
+    '^yahoo-finance2/modules/(.*)$':
+      '<rootDir>/../../node_modules/yahoo-finance2/script/src/modules/$1'
+  },
   coverageDirectory: '../../coverage/apps/api',
   testEnvironment: 'node',
   preset: '../../jest.preset.js'
diff --git a/apps/api/tsconfig.spec.json b/apps/api/tsconfig.spec.json
index 77a647d82..a5db5809d 100644
--- a/apps/api/tsconfig.spec.json
+++ b/apps/api/tsconfig.spec.json
@@ -2,7 +2,7 @@
   "extends": "./tsconfig.json",
   "compilerOptions": {
     "outDir": "../../dist/out-tsc",
-    "module": "preserve",
+    "module": "commonjs",
     "target": "es2021",
     "types": ["jest", "node"]
   },