diff --git a/package.json b/package.json
index f7abcb5..55f5fc0 100644
--- a/package.json
+++ b/package.json
@@ -1,9 +1,9 @@
 {
   "name": "@syngenta/convert-to-geojson",
-  "version": "1.0.6",
+  "version": "1.0.7",
   "description": "A common package to convert different shape files to geojson",
   "main": "dist/index.js",
-  "types": "./dist/index.d.ts",
+  "types": "dist/index.d.ts",
   "homepage": "",
   "keywords": [],
   "author": "Ram Waykar <Waykar_Rambhau.Pandurang@syngenta.com>",
@@ -17,7 +17,7 @@
     "test": "jest --ci --coverage --reporters=default --reporters=jest-junit --max-workers=2 --testTimeout=300000 --verbose",
     "lint": "eslint src/**/*.ts",
     "format": "eslint src/**/*.ts --fix",
-    "build": "npm run lint && tsc --declaration"
+    "build": "npm run lint && tsc --declaration --declarationMap --sourceMap"
   },
   "dependencies": {
     "@mapbox/togeojson": "^0.16.2",
diff --git a/src/mapbox-togeojson.ts b/src/mapbox-togeojson.d.ts
similarity index 100%
rename from src/mapbox-togeojson.ts
rename to src/mapbox-togeojson.d.ts
diff --git a/tsconfig.json b/tsconfig.json
index 212c7f3..b3c285f 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -2,10 +2,9 @@
 	"compilerOptions": {
 	  	"strict": true,
 		"target": "ES6",
-		"lib": ["DOM", "ES6", "DOM.Iterable", "ScriptHost", "ES2016.Array.Include"],
 		"module": "preserve",
 		"outDir": "dist",
-		"sourceMap": false,
+		"sourceMap": true,
 		"allowSyntheticDefaultImports": true,    
 		"esModuleInterop": true,
 		"forceConsistentCasingInFileNames":true,