diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7aa8691..6068fdb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,4 +6,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-[Unreleased]: https://github.com/MetaMask/eth-json-rpc-provider/
+## [1.0.0]
+### Added
+- Initial release, including `providerFromEngine` and `providerFromMiddleware`
+
+[Unreleased]: https://github.com/MetaMask/eth-json-rpc-provider/compare/v1.0.0...HEAD
+[1.0.0]: https://github.com/MetaMask/eth-json-rpc-provider/releases/tag/v1.0.0
diff --git a/package.json b/package.json
index 5edba48..e909d9f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@metamask/eth-json-rpc-provider",
-  "version": "0.0.1",
+  "version": "1.0.0",
   "description": "Create an Ethereum provider using a JSON-RPC engine or middleware",
   "repository": {
     "type": "git",