diff --git a/CHANGELOG.md b/CHANGELOG.md
index e2c205c07..4cd0df6eb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,15 @@
 
 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.
 
+## [6.6.0](https://github.com/dequelabs/cauldron/compare/v6.5.0...v6.6.0) (2024-08-13)
+
+
+### Features
+
+* **react:** add CopyButton component ([#1603](https://github.com/dequelabs/cauldron/issues/1603)) ([c570ece](https://github.com/dequelabs/cauldron/commit/c570eceb5fa743ffff7ff75ea907652aa6968a42))
+* **react:** add indeterminate support to checkbox ([#1621](https://github.com/dequelabs/cauldron/issues/1621)) ([c49bfd2](https://github.com/dequelabs/cauldron/commit/c49bfd2bb0e8f48574a7e3d81f2e324aa43df949)), closes [#479](https://github.com/dequelabs/cauldron/issues/479) [#479](https://github.com/dequelabs/cauldron/issues/479)
+* **styles,react:** added size prop to tag and synced with designs ([#1602](https://github.com/dequelabs/cauldron/issues/1602)) ([946b10d](https://github.com/dequelabs/cauldron/commit/946b10da549e65374f2e9623506f732e57b7ab0d))
+
 ## [6.5.0](https://github.com/dequelabs/cauldron/compare/v6.4.2...v6.5.0) (2024-08-07)
 
 
diff --git a/package.json b/package.json
index 8cb2c2fe6..9a2dfd76c 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "cauldron",
   "private": true,
-  "version": "6.5.0",
+  "version": "6.6.0",
   "license": "MPL-2.0",
   "scripts": {
     "clean": "rimraf dist docs/dist",
diff --git a/packages/react/package.json b/packages/react/package.json
index 62c06a662..0baa39c7a 100644
--- a/packages/react/package.json
+++ b/packages/react/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@deque/cauldron-react",
-  "version": "6.5.0",
+  "version": "6.6.0",
   "license": "MPL-2.0",
   "description": "Fully accessible react components library for Deque Cauldron",
   "homepage": "https://cauldron.dequelabs.com/",
diff --git a/packages/styles/package.json b/packages/styles/package.json
index 1ea9964a2..29dfa83a6 100644
--- a/packages/styles/package.json
+++ b/packages/styles/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@deque/cauldron-styles",
-  "version": "6.5.0",
+  "version": "6.6.0",
   "license": "MPL-2.0",
   "description": "deque cauldron pattern library styles",
   "repository": "https://github.com/dequelabs/cauldron",