diff --git a/package.json b/package.json
index fb77dd0..f0891b2 100644
--- a/package.json
+++ b/package.json
@@ -42,6 +42,7 @@
     "LICENSE",
     "README.md"
   ],
+  "sideEffects": false,
   "engines": {
     "node": ">=22"
   },