diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index c76f47e..9285669 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "8.19.1"
+  ".": "9.0.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ac4fa91..2db675a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,17 @@
 
 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.
 
+## [9.0.0](https://github.com/streetsidesoftware/cspell-cli/compare/v8.19.1...v9.0.0) (2025-05-07)
+
+
+### ⚠ BREAKING CHANGES
+
+* Upgrade to CSpell 9.0.0 ([#670](https://github.com/streetsidesoftware/cspell-cli/issues/670))
+
+### Features
+
+* Upgrade to CSpell 9.0.0 ([#670](https://github.com/streetsidesoftware/cspell-cli/issues/670)) ([280c047](https://github.com/streetsidesoftware/cspell-cli/commit/280c047d11796bb778f1199c4bb6ba8c5e05a7f6))
+
 ## [8.19.1](https://github.com/streetsidesoftware/cspell-cli/compare/v8.19.0...v8.19.1) (2025-05-05)
 
 
diff --git a/README.md b/README.md
index ef2e5e4..771fe24 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ This repository enables using [cspell](https://github.com/streetsidesoftware/csp
 # .pre-commit-config.yaml
 repos:
   - repo: https://github.com/streetsidesoftware/cspell-cli
-    rev: v8.19.1
+    rev: v9.0.0
     hooks:
       - id: cspell # Spell check changed files
       - id: cspell # Spell check the commit message
diff --git a/package-lock.json b/package-lock.json
index f7ee115..11692e0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "cspell-cli",
-  "version": "8.19.1",
+  "version": "9.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "cspell-cli",
-      "version": "8.19.1",
+      "version": "9.0.0",
       "license": "MIT",
       "dependencies": {
         "cspell": "^9.0.0"
diff --git a/package.json b/package.json
index cdf693a..eb77e7c 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
     "access": "public",
     "provenance": true
   },
-  "version": "8.19.1",
+  "version": "9.0.0",
   "description": "CLI for cspell; A Spelling Checker for Code!",
   "type": "module",
   "module": "index.js",