diff --git a/CHANGELOG.md b/CHANGELOG.md
index 759f3546..3c8add9f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [11.8.1]
+
+### Changed
+
+- Replace `superstruct.is` with faster regex checks for `isCaip*` functions ([#270](https://github.com/MetaMask/utils/pull/270))
+  - Those calls were slow especially on our mobile client.
+
 ## [11.8.0]
 
 ### Added
@@ -467,7 +474,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Initial release
 
-[Unreleased]: https://github.com/MetaMask/utils/compare/v11.8.0...HEAD
+[Unreleased]: https://github.com/MetaMask/utils/compare/v11.8.1...HEAD
+[11.8.1]: https://github.com/MetaMask/utils/compare/v11.8.0...v11.8.1
 [11.8.0]: https://github.com/MetaMask/utils/compare/v11.7.0...v11.8.0
 [11.7.0]: https://github.com/MetaMask/utils/compare/v11.6.0...v11.7.0
 [11.6.0]: https://github.com/MetaMask/utils/compare/v11.5.0...v11.6.0
diff --git a/package.json b/package.json
index 1aac79eb..316b0c3e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@metamask/utils",
-  "version": "11.8.0",
+  "version": "11.8.1",
   "description": "Various JavaScript/TypeScript utilities of wide relevance to the MetaMask codebase",
   "homepage": "https://github.com/MetaMask/utils#readme",
   "bugs": {