diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 687cee5b..5b1128a9 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -2,7 +2,7 @@
 	"packages/eslint-plugin-client": "1.0.2",
 	"packages/ui-components": "5.12.0",
 	"packages/ui-hooks": "2.2.0",
-	"packages/ui-system": "1.2.1",
+	"packages/ui-system": "1.3.0",
 	"packages/ui-private": "1.4.1",
 	"packages/ui-icons": "1.4.0",
 	"packages/ui-styles": "1.6.1",
diff --git a/packages/ui-system/CHANGELOG.md b/packages/ui-system/CHANGELOG.md
index 92575957..d797d9a6 100644
--- a/packages/ui-system/CHANGELOG.md
+++ b/packages/ui-system/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.3.0](https://github.com/aversini/ui-components/compare/ui-system-v1.2.1...ui-system-v1.3.0) (2024-04-06)
+
+
+### Features
+
+* **ui-system:** adding prop "className" to ThemeProvider ([#465](https://github.com/aversini/ui-components/issues/465)) ([095531d](https://github.com/aversini/ui-components/commit/095531d8879659f38c9e43f226d3336310277c02))
+
 ## [1.2.1](https://github.com/aversini/ui-components/compare/ui-system-v1.2.0...ui-system-v1.2.1) (2024-03-30)
 
 
diff --git a/packages/ui-system/package.json b/packages/ui-system/package.json
index 4b726510..833f75b7 100644
--- a/packages/ui-system/package.json
+++ b/packages/ui-system/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@versini/ui-system",
-	"version": "1.2.1",
+	"version": "1.3.0",
 	"license": "MIT",
 	"author": "Arno Versini",
 	"publishConfig": {
diff --git a/packages/ui-system/stats/stats.json b/packages/ui-system/stats/stats.json
index c4f8df0c..6ac268f1 100644
--- a/packages/ui-system/stats/stats.json
+++ b/packages/ui-system/stats/stats.json
@@ -118,5 +118,25 @@
       "limit": "46 KB",
       "passed": true
     }
+  },
+  "1.3.0": {
+    "../bundlesize/dist/system/assets/style.css": {
+      "fileSize": 48943,
+      "fileSizeGzip": 7421,
+      "limit": "8 KB",
+      "passed": true
+    },
+    "../bundlesize/dist/system/assets/index.js": {
+      "fileSize": 5095,
+      "fileSizeGzip": 1804,
+      "limit": "3 KB",
+      "passed": true
+    },
+    "../bundlesize/dist/system/assets/vendor.js": {
+      "fileSize": 142166,
+      "fileSizeGzip": 45561,
+      "limit": "46 KB",
+      "passed": true
+    }
   }
 }