diff --git a/package.json b/package.json
index 22489ed..7d5cb1f 100644
--- a/package.json
+++ b/package.json
@@ -118,5 +118,6 @@
   "readme": "ERROR: No README data found!",
   "homepage": "https://github.com/react-bootstrap/dom-helpers#readme",
   "_id": "dom-helpers@5.2.0",
-  "packageManager": "yarn@1.22.19+sha1.4ba7fc5c6e704fce2066ecbfb0b0d8976fe62447"
-}
+  "packageManager": "yarn@1.22.19+sha1.4ba7fc5c6e704fce2066ecbfb0b0d8976fe62447",
+  "sideEffects": false
+}
\ No newline at end of file