diff --git a/package.json b/package.json
index 5ddc7fc..e328d7b 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "0.12.2",
-    "@angular-devkit/build-ng-packagr": "~0.12.0",
+    "@angular-devkit/build-ng-packagr": "~0.900.4",
     "@angular/cli": "7.3.9",
     "@angular/compiler-cli": "7.2.1",
     "@angular/language-service": "7.2.1",