diff --git a/tsconfig.json b/tsconfig.json
index 71168f3..ba7229e 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -7,6 +7,7 @@
         "outDir": "src",
         "sourceMap": true,
         "declaration": true,
+        "declarationMap": true,
         "noImplicitAny": true
     },
     "exclude": [