diff --git a/package.json b/package.json
index 9595d90a..779bda38 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,7 @@
     "url": "https://github.com/croct-tech/sdk-js/issues"
   },
   "homepage": "https://github.com/croct-tech/sdk-js#readme",
+  "sideEffects": false,
   "scripts": {
     "lint": "eslint 'src/**/*.ts' 'test/**/*.ts'",
     "test": "jest -c jest.config.mjs --coverage",