diff --git a/tsconfig-base.json b/tsconfig-base.json
index 3e8b4158..191e51b0 100644
--- a/tsconfig-base.json
+++ b/tsconfig-base.json
@@ -16,6 +16,7 @@
     "experimentalDecorators": true,
     "allowJs": true,
     "declaration": true,
+    "declarationMap": true,
     "resolveJsonModule": true
   },
   "include": [