diff --git a/CHANGELOG.md b/CHANGELOG.md
index e69de29b..e3eba9d1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -0,0 +1,13 @@
+# Changelog
+
+## 1.0.0 (2021-02-22)
+
+
+### Features
+
+* initial commit ([b3a1933](https://www.github.com/netlify/functions-js/commit/b3a193372ee0dfdaa769ab4ec48f83fa980aa559))
+
+
+### Bug Fixes
+
+* use correct parameters in callback syntax ([#4](https://www.github.com/netlify/functions-js/issues/4)) ([b4154d7](https://www.github.com/netlify/functions-js/commit/b4154d76ac84c3a41756b88ee72bf1bfb985664a))
diff --git a/package-lock.json b/package-lock.json
index 2e2ead15..4ec19812 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@netlify/functions",
-  "version": "0.0.1",
+  "version": "1.0.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
diff --git a/package.json b/package.json
index 3d83513e..0655767e 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "@netlify/functions",
   "main": "./src/main.js",
   "private": true,
-  "version": "0.0.1",
+  "version": "1.0.0",
   "description": "JavaScript utilities for Netlify Functions",
   "files": [
     "src/**/*.js",