diff --git a/CHANGELOG.md b/CHANGELOG.md
index d4d3972c..8e868ead 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+## [9.0.1](https://github.com/uuidjs/uuid/compare/v9.0.0...v9.0.1) (2023-08-24)
+
+
+### Performance Improvements
+
+* remove superfluous call to toLowerCase ([#677](https://github.com/uuidjs/uuid/issues/677)) ([e53793f](https://github.com/uuidjs/uuid/commit/e53793f5be93413cad68b05b3a339ca23e993342))
+
 ## [9.0.0](https://github.com/uuidjs/uuid/compare/v8.3.2...v9.0.0) (2022-09-05)
 
 ### ⚠ BREAKING CHANGES
diff --git a/package-lock.json b/package-lock.json
index c4cfaf1f..b997326d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "uuid",
-  "version": "9.0.0",
+  "version": "9.0.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "uuid",
-      "version": "9.0.0",
+      "version": "9.0.1",
       "funding": [
         "https://github.com/sponsors/broofa",
         "https://github.com/sponsors/ctavan"
diff --git a/package.json b/package.json
index e2fd9ccb..4060f319 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "uuid",
-  "version": "9.0.0",
+  "version": "9.0.1",
   "description": "RFC4122 (v1, v4, and v5) UUIDs",
   "funding": [
     "https://github.com/sponsors/broofa",