diff --git a/CHANGELOG.md b/CHANGELOG.md
index d02f52c..9fbbb74 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,13 @@ 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/).
 
 
+## [4-r.6.1] - 2023-03-10
+
+### Added
+
+* Add function to validate MOC3 files.
+
+
 ## [4-r.6] - 2023-02-21
 
 ### Added
@@ -148,6 +155,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 * Reformat code using Prettier and ESLint.
 
 
+[4-r.6.1]: https://github.com/Live2D/CubismWebFramework/compare/4-r.6...4-r.6.1
 [4-r.6]: https://github.com/Live2D/CubismWebFramework/compare/4-r.5...4-r.6
 [4-r.5]: https://github.com/Live2D/CubismWebFramework/compare/4-r.5-beta.5...4-r.5
 [4-r.5-beta.5]: https://github.com/Live2D/CubismWebFramework/compare/4-r.5-beta.4...4-r.5-beta.5
diff --git a/src/model/cubismmoc.ts b/src/model/cubismmoc.ts
index 17f3dff..e86833c 100644
--- a/src/model/cubismmoc.ts
+++ b/src/model/cubismmoc.ts
@@ -110,6 +110,15 @@ export class CubismMoc {
     return this._mocVersion;
   }
 
+  /**
+   * .moc3 の整合性を検証する
+   */
+  public static hasMocConsistency(mocBytes: ArrayBuffer): boolean {
+    const hasMocConsistency =
+      Live2DCubismCore.Moc.prototype.hasMocConsistency(mocBytes);
+    return hasMocConsistency === 1 ? true : false;
+  }
+
   _moc: Live2DCubismCore.Moc; // Mocデータ
   _modelCount: number; // Mocデータから作られたモデルの個数
   _mocVersion: number; // 読み込んだモデルの.moc3 Version