diff --git a/package-lock.json b/package-lock.json
index 6fe4eb8..e0cd438 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@ungap/structured-clone",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@ungap/structured-clone",
-      "version": "1.2.0",
+      "version": "1.2.1",
       "license": "ISC",
       "devDependencies": {
         "@rollup/plugin-node-resolve": "^15.3.0",
diff --git a/package.json b/package.json
index 6514138..3d140b0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ungap/structured-clone",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "A structuredClone polyfill",
   "main": "./cjs/index.js",
   "scripts": {