diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0841e268..262ef309 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,22 @@
 # Changelog
 
+### [0.12.1](https://github.com/grain-lang/binaryen.ml/compare/v0.12.0...v0.12.1) (2022-02-03)
+
+
+### Features
+
+* **ci:** Upgrade release-please ([#131](https://github.com/grain-lang/binaryen.ml/issues/131)) ([ca3bdb7](https://github.com/grain-lang/binaryen.ml/commit/ca3bdb7aa324a013205a80759bcc733fea64ae4a))
+
+
+### Bug Fixes
+
+* Restrict js_of_ocaml to version 3 ([fa39480](https://github.com/grain-lang/binaryen.ml/commit/fa39480fc74b19cf7052ec5c0764ee58b5783549))
+
+
+### Miscellaneous Chores
+
+* Fix release version ([5d1bd42](https://github.com/grain-lang/binaryen.ml/commit/5d1bd42a7132298a902060c46dae72507e702eb0))
+
 ## [0.12.0](https://www.github.com/grain-lang/binaryen.ml/compare/v0.11.2...v0.12.0) (2022-01-26)
 
 
diff --git a/binaryen.opam b/binaryen.opam
index 3fcb47fc..02da523e 100644
--- a/binaryen.opam
+++ b/binaryen.opam
@@ -1,5 +1,5 @@
 opam-version: "2.0"
-version: "0.12.0"
+version: "0.12.1"
 synopsis: "OCaml bindings for Binaryen"
 maintainer: "oscar@grain-lang.org"
 author: "Oscar Spencer"
diff --git a/package.json b/package.json
index b185a493..73569d69 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@grain/binaryen.ml",
-  "version": "0.12.0",
+  "version": "0.12.1",
   "description": "OCaml bindings for Binaryen.",
   "author": "Oscar Spencer <oscar@grain-lang.org>",
   "license": "Apache-2.0",