diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 4ba572e..f01c037
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "core-js": "3.6.4",
     "jest": "24.9.0",
     "rimraf": "3.0.2",
-    "rollup": "2.3.3",
+    "rollup": "2.79.2",
     "rollup-plugin-analyzer": "3.3.0",
     "rollup-plugin-babel": "4.4.0",
     "rollup-plugin-progress": "1.1.2",