diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..8617be5
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,16 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+
+## [0.1.2] - 2026.07.16
+### Added
+- Validation via Endorser service, with new ENDORSER_URL variable
+
+
+## [0.1.1] - 2026.06.28
+### Added
+- Base functionality
diff --git a/package.json b/package.json
index 2e7fb07..13cb526 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "notification-wakeup-service",
-  "version": "0.1.1",
+  "version": "0.1.2",
   "private": true,
   "type": "module",
   "packageManager": "pnpm@11.4.0",