diff --git a/package.json b/package.json
index 851674ad..dec1c5fb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "ky",
-	"version": "1.1.3",
+	"version": "1.2.0",
 	"description": "Tiny and elegant HTTP client based on the browser Fetch API",
 	"license": "MIT",
 	"repository": "sindresorhus/ky",
@@ -74,7 +74,6 @@
 		"typescript": "^5.2.2",
 		"xo": "^0.56.0"
 	},
-	"sideEffects": false,
 	"xo": {
 		"envs": [
 			"browser"