diff --git a/src/tsconfig.json b/src/tsconfig.json
index a3b55ee..c853bf2 100644
--- a/src/tsconfig.json
+++ b/src/tsconfig.json
@@ -4,6 +4,7 @@
 		"moduleResolution": "node",
 		"outDir": "../lib",
 		"target": "es5",
+		"declaration": true,
 		"lib": [
 			"dom",
 			"es5",