diff --git a/tsconfig-build.json b/tsconfig-build.json
index 2f59c9da8..42a4cf697 100644
--- a/tsconfig-build.json
+++ b/tsconfig-build.json
@@ -1,6 +1,7 @@
 {
   "extends": "./tsconfig.json",
   "compilerOptions": {
+    "declarationMap": true,
     "sourceMap": true,
     "noEmit": false,
     "emitDecoratorMetadata": true,