diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index c8679b4..fad53db 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,4 +1,4 @@
 {
   "custom_components/ixcommand/manifest.json": "1.0.0",
-  ".": "1.1.1"
+  ".": "1.2.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 26bc35a..cc13aee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.2.0](https://github.com/legendik/ha-ixcommand/compare/ixcommand-v1.1.1...ixcommand-v1.2.0) (2026-02-27)
+
+
+### Features
+
+* make the serial number uppercase for the user ([8be42b2](https://github.com/legendik/ha-ixcommand/commit/8be42b286a5bc47bf535b7114162903f9a8554ec))
+
 ## [1.1.1](https://github.com/legendik/ha-ixcommand/compare/ixcommand-v1.1.0...ixcommand-v1.1.1) (2026-02-27)