diff --git a/package.json b/package.json
index 2b165ff4..073c8cd8 100644
--- a/package.json
+++ b/package.json
@@ -23,6 +23,7 @@
     "url": "git+https://github.com/molefrog/wouter.git"
   },
   "license": "ISC",
+  "sideEffects": false,
   "prettier": {
     "tabWidth": 2,
     "semi": true,
@@ -166,4 +167,4 @@
     "typescript": "5.2.2",
     "vitest": "^3.0.8"
   }
-}
+}
\ No newline at end of file