diff --git a/CHANGELOG.md b/CHANGELOG.md
index 82c150a..a5eaedf 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
@@ -244,6 +251,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 * Fix invalid expressions of `CubismCdiJson`.
 
 
+[4-r.6.1]: https://github.com/Live2D/CubismNativeFramework/compare/4-r.6...4-r.6.1
 [4-r.6]: https://github.com/Live2D/CubismNativeFramework/compare/4-r.5.1...4-r.6
 [4-r.5.1]: https://github.com/Live2D/CubismNativeFramework/compare/4-r.5...4-r.5.1
 [4-r.5]: https://github.com/Live2D/CubismNativeFramework/compare/4-r.5-beta.5...4-r.5
diff --git a/src/Model/CubismMoc.cpp b/src/Model/CubismMoc.cpp
index ec6e0a1..4394bca 100644
--- a/src/Model/CubismMoc.cpp
+++ b/src/Model/CubismMoc.cpp
@@ -82,4 +82,10 @@ Core::csmMocVersion CubismMoc::GetMocVersion()
     return _mocVersion;
 }
 
+csmBool CubismMoc::HasMocConsistency(void* address, const csmUint32 size)
+{
+    csmInt32 consistencyFlags = Core::csmHasMocConsistency(address, size);
+    return consistencyFlags != 0 ? true : false;
+}
+
 }}}
diff --git a/src/Model/CubismMoc.hpp b/src/Model/CubismMoc.hpp
index 209e88d..ce77d44 100644
--- a/src/Model/CubismMoc.hpp
+++ b/src/Model/CubismMoc.hpp
@@ -75,6 +75,16 @@ class CubismMoc
      */
     Core::csmMocVersion GetMocVersion();
 
+    /**
+     * @brief Checks consistency of a moc.
+     *
+     * @param  address  Address of unrevived moc. The address must be aligned to 'csmAlignofMoc'.
+     * @param  size     Size of moc (in bytes).
+     *
+     * @return  '1' if Moc is valid; '0' otherwise.
+     */
+    static csmBool HasMocConsistency(void* address, const csmUint32 size);
+
 private:
     /**
      * @brief コンストラクタ