diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..e816608
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,16 @@
+# Change Log
+
+All notable changes to this project will be documented in this file. See
+[Conventional Commits](https://conventionalcommits.org) for commit guidelines.
+
+# 1.0.0 (2020-03-25)
+
+
+### Bug Fixes
+
+* incorrect util function ([bcb155e](https://github.com/the-holocron/browserslist-median-usage/commit/bcb155eb178ac99dc73fd832969cc10ba5b3d6d6))
+
+
+### Features
+
+* initial library ([6c88a94](https://github.com/the-holocron/browserslist-median-usage/commit/6c88a94109edaa08c5412a70a7c08f70a3831c88))
diff --git a/package-lock.json b/package-lock.json
index 0d568a2..d27b247 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@theholocron/browserslist-median-usage",
-  "version": "0.1.0",
+  "version": "1.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 0e43567..3cba0d2 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "description": "Calculates the median level of browser usage based on custom stats in order to take advantage of Browserslist custom usage.",
   "homepage": "https://github.com/the-holocron/browserslist-median-usage#readme",
   "author": "Newton Koumantzelis",
-  "version": "0.1.0",
+  "version": "1.0.0",
   "main": "src/index.js",
   "directories": {
     "man": "man"