diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5a37891..3246d4e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 1.3.1
+###### *Apr 23, 2022*
+
+- utility: implement isInitialized flag
+
 ## 1.3.0
 ###### *Mar 20, 2022*
 
diff --git a/package.json b/package.json
index 4767f25..d92f000 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@monaco-editor/loader",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "description": "the library aims to setup monaco editor into your browser",
   "main": "lib/cjs/index.js",
   "module": "lib/es/index.js",