diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc42307..ad17559 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,25 @@
 # Changelog
 
+## [133.0.0](https://github.com/grain-lang/libbinaryen/compare/v132.0.0...v133.0.0) (2026-10-07)
+
+
+### ⚠ BREAKING CHANGES
+
+* Update to binaryen v133 ([#182](https://github.com/grain-lang/libbinaryen/issues/182))
+* Change `osx_deployment_target` to `11`
+* Support macos 27 ([#181](https://github.com/grain-lang/libbinaryen/issues/181))
+
+### Features
+
+* Change `osx_deployment_target` to `11` ([70fa14c](https://github.com/grain-lang/libbinaryen/commit/70fa14c211df7b54ae94ef700d142d7bfc190ed8))
+* Support macos 27 ([#181](https://github.com/grain-lang/libbinaryen/issues/181)) ([70fa14c](https://github.com/grain-lang/libbinaryen/commit/70fa14c211df7b54ae94ef700d142d7bfc190ed8))
+* Update to binaryen v133 ([#182](https://github.com/grain-lang/libbinaryen/issues/182)) ([c4edb23](https://github.com/grain-lang/libbinaryen/commit/c4edb23f97099c9bc47474cda23b43334f50851c))
+
+
+### Bug Fixes
+
+* Pass -Wno-error=array-bounds for gcc 16 ([#178](https://github.com/grain-lang/libbinaryen/issues/178)) ([c447848](https://github.com/grain-lang/libbinaryen/commit/c447848ec08d5ce0a3be3168e8acdb097e62737c))
+
 ## [132.0.0](https://github.com/grain-lang/libbinaryen/compare/v131.0.0...v132.0.0) (2026-09-06)
 
 
diff --git a/libbinaryen.opam b/libbinaryen.opam
index 22c7b21..3d8af78 100644
--- a/libbinaryen.opam
+++ b/libbinaryen.opam
@@ -1,5 +1,5 @@
 opam-version: "2.0"
-version: "132.0.0"
+version: "133.0.0"
 synopsis: "Libbinaryen packaged for OCaml"
 maintainer: "blaine@grain-lang.org"
 author: "Blaine Bublitz"
diff --git a/package.json b/package.json
index 3a2b757..73f24ab 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@grain/libbinaryen",
-  "version": "132.0.0",
+  "version": "133.0.0",
   "description": "Libbinaryen packaged for OCaml.",
   "author": "Blaine Bublitz <blaine@grain-lang.org>",
   "license": "Apache-2.0",