diff --git a/react/package.json b/react/package.json
index fa0e8a3c..6a1ee5e6 100644
--- a/react/package.json
+++ b/react/package.json
@@ -5,6 +5,7 @@
   "homepage": "https://github.com/opengovsg/design-system/react#readme",
   "bugs": "https://github.com/opengovsg/design-system/issues",
   "license": "SEE LICENSE IN LICENSE.md",
+  "sideEffects": false,
   "files": [
     "build/main",
     "build/module",