diff --git a/modules/store-devtools/ng-package.json b/modules/store-devtools/ng-package.json
index 5d534911d8..3a72dfec59 100644
--- a/modules/store-devtools/ng-package.json
+++ b/modules/store-devtools/ng-package.json
@@ -1,7 +1,7 @@
 {
   "$schema": "../../node_modules/ng-packagr/ng-package.schema.json",
   "dest": "../../dist/modules/store-devtools",
-  "assets": ["migrations/**/*.json", "schematics/**/*.json", "**/files"],
+  "assets": ["migrations/**/*.json", "schematics/**/*.json", "**/files/**/*"],
   "lib": {
     "entryFile": "index.ts",
     "umdModuleIds": {