diff --git a/package-lock.json b/package-lock.json
index b71918e..4d0afb3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "extra-map",
-  "version": "2.3.0",
+  "version": "2.2.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 4060d7b..a1fb7c5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "extra-map",
-  "version": "2.3.0",
+  "version": "2.2.1",
   "description": "A map is a collection of key-value pairs, with unique keys.",
   "main": "index.js",
   "module": "index.mjs",