diff --git a/package.json b/package.json
index d2337b7..17b0597 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "scripts": {
     "test": "jest",
     "build": "tsc",
-    "start": "node build/index.js",
+    "start": "node --enable-source-maps build/index.js",
     "dev": "ts-node-dev src/index.ts",
     "test:ci": "jest --ci --coverage"
   },
diff --git a/tsconfig.json b/tsconfig.json
index 4ad402a..d26968f 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -7,7 +7,8 @@
     "target": "ESNext",
     "module": "commonjs",
     "strict": true,
-    "outDir": "build"
+    "outDir": "build",
+    "sourceMap": true
   },
   "include": ["src", "typedefs"],
   "exclude": ["node_modules"]