diff --git a/CHANGELOG.md b/CHANGELOG.md
index f8c7b3a..7529eda 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 # Change Log
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## 10.0.0
+* Added `single-arg()` support (by @pciarach).
+* Removed Node.js 16 and 14 support.
+
 ## 9.0.4
 * Moved to `postcss-simple-vars` 7.
 
diff --git a/package.json b/package.json
index 78e3d08..1abc237 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "postcss-mixins",
-  "version": "9.0.4",
+  "version": "10.0.0",
   "description": "PostCSS plugin for mixins",
   "keywords": [
     "postcss",