diff --git a/jest.config.ts b/jest.config.ts
index 1552c89..0cc9fec 100644
--- a/jest.config.ts
+++ b/jest.config.ts
@@ -3,6 +3,11 @@ import { JestConfigWithTsJest } from "ts-jest";
 export default {
   preset: "ts-jest",
   testEnvironment: "node",
+  collectCoverageFrom: [
+    "src/**/*.{js,jsx,ts,tsx}",
+    "!**/node_modules/**",
+    "!**/vendor/**",
+  ],
   coverageDirectory: "<rootDir>/coverage/",
   coveragePathIgnorePatterns: [
     "<rootDir>/benchmarks/",