diff --git a/CHANGELOG.md b/CHANGELOG.md
index 853ffea..d4c0afa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 ### HEAD
 
+### 4.0.0 (August 3, 2021)
+
 * Update `stylelint` to `^13.13.1`
 * Update `postcss-selector-parser` to `^6.0.6`
 * Update `eslint` to `^7.32.0`
diff --git a/package.json b/package.json
index 3eef1b8..58e28bd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "stylelint-suitcss",
-  "version": "3.0.0",
+  "version": "4.0.0",
   "description": "A collection of stylelint plugins for SUIT CSS",
   "keywords": [
     "stylelint-plugin",