diff --git a/package.json b/package.json
index 4c61eb2fea..7f9011caa2 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,7 @@
   "description": "Google APIs Client Library for Node.js",
   "main": "./build/src/index.js",
   "types": "./build/src/index.d.ts",
+  "sideEffects": "false",
   "engines": {
     "node": ">=14.0.0"
   },