diff --git a/CHANGELOG.md b/CHANGELOG.md
index 98abd04..2ba4eb9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.11.7](https://github.com/carbon-design-system/carbon-preprocess-svelte/releases/tag/v0.11.7) - 2024-09-18
+
+**Fixes**
+
+- fix `OptimizeCssPlugin` to convert buffer to string
+- patch `postcss` and `postcss-discard-empty` dependencies
+
 ## [0.11.6](https://github.com/carbon-design-system/carbon-preprocess-svelte/releases/tag/v0.11.6) - 2024-08-20
 
 **Fixes**
diff --git a/package.json b/package.json
index ab3667c..06ff4f7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "carbon-preprocess-svelte",
-  "version": "0.11.6",
+  "version": "0.11.7",
   "license": "Apache-2.0",
   "description": "Svelte preprocessors for the Carbon Design System",
   "author": "Eric Liu (https://github.com/metonym)",