diff --git a/packages/schematics/angular/library/files/__projectRoot__/tsconfig.lib.json b/packages/schematics/angular/library/files/__projectRoot__/tsconfig.lib.json
index 7f69a39eb0..e56fc6bdbd 100644
--- a/packages/schematics/angular/library/files/__projectRoot__/tsconfig.lib.json
+++ b/packages/schematics/angular/library/files/__projectRoot__/tsconfig.lib.json
@@ -14,7 +14,7 @@
     "types": [],
     "lib": [
       "dom",
-      "es2015"
+      "es2017"
     ]
   },
   "angularCompilerOptions": {