diff --git a/Assets/Live2D/Cubism/CHANGELOG.md b/Assets/Live2D/Cubism/CHANGELOG.md
index 75f4133..e84d22e 100644
--- a/Assets/Live2D/Cubism/CHANGELOG.md
+++ b/Assets/Live2D/Cubism/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] - 2023-01-26
 
 ### Added
@@ -267,6 +274,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 * Fix issue where Priority value was not reset after playing motion with CubismMotionController.
 
 
+[4-r.6.1]: https://github.com/Live2D/CubismUnityComponents/compare/4-r.6...4-r.6.1
 [4-r.6]: https://github.com/Live2D/CubismUnityComponents/compare/4-r.5...4-r.6
 [4-r.5]: https://github.com/Live2D/CubismUnityComponents/compare/4-r.5-beta.5...4-r.5
 [4-r.5-beta.5]: https://github.com/Live2D/CubismUnityComponents/compare/4-r.5-beta.4...4-r.5-beta.5
diff --git a/Assets/Live2D/Cubism/Core/CubismMoc.cs b/Assets/Live2D/Cubism/Core/CubismMoc.cs
index a169b9e..718a17e 100644
--- a/Assets/Live2D/Cubism/Core/CubismMoc.cs
+++ b/Assets/Live2D/Cubism/Core/CubismMoc.cs
@@ -24,6 +24,14 @@ public sealed class CubismMoc : ScriptableObject
     {
         #region Factory Methods
 
+        /// <summary>
+        /// Checks consistency of a moc.
+        /// </summary>
+        public static bool HasMocConsistency(byte[] moc3)
+        {
+            return CubismUnmanagedMoc.HasMocConsistency(moc3);
+        }
+
         /// <summary>
         /// Creates a <see cref="CubismMoc"/> asset from raw bytes.
         /// </summary>
diff --git a/Assets/Live2D/Cubism/Core/Unmanaged/CubismCoreDll.cs b/Assets/Live2D/Cubism/Core/Unmanaged/CubismCoreDll.cs
index 1cae875..6d03da4 100644
--- a/Assets/Live2D/Cubism/Core/Unmanaged/CubismCoreDll.cs
+++ b/Assets/Live2D/Cubism/Core/Unmanaged/CubismCoreDll.cs
@@ -155,6 +155,11 @@ public static class CubismCoreDll
         [DllImport(DllName, EntryPoint = "csmInitializeModelInPlace")]
         public static extern IntPtr InitializeModelInPlace(IntPtr moc, IntPtr memory, uint modelSize);
         /// <summary>
+        /// Checks consistency of a moc.
+        /// </summary>
+        [DllImport(DllName, EntryPoint = "csmHasMocConsistency")]
+        public static extern int HasMocConsistency(IntPtr memory, uint mocSize);
+        /// <summary>
         /// Updates model.
         /// </summary>
         [DllImport(DllName, EntryPoint = "csmUpdateModel")]
diff --git a/Assets/Live2D/Cubism/Core/Unmanaged/CubismUnmanagedMoc.cs b/Assets/Live2D/Cubism/Core/Unmanaged/CubismUnmanagedMoc.cs
index 970a8cb..8b385b4 100644
--- a/Assets/Live2D/Cubism/Core/Unmanaged/CubismUnmanagedMoc.cs
+++ b/Assets/Live2D/Cubism/Core/Unmanaged/CubismUnmanagedMoc.cs
@@ -53,6 +53,25 @@ public static CubismUnmanagedMoc FromBytes(byte[] bytes)
         /// </summary>
         public uint MocVersion { get; private set; }
 
+        /// <summary>
+        /// Checks consistency of a moc.
+        /// </summary>
+        public static bool HasMocConsistency(byte[] bytes)
+        {
+            // Allocate and initialize memory (returning on fail).
+            var memory = CubismUnmanagedMemory.Allocate(bytes.Length, CubismCoreDll.AlignofMoc);
+
+            CubismUnmanagedMemory.Write(bytes, memory);
+
+            // '1' if Moc is valid; '0' otherwise.
+            var mocConsistencyNum = CubismCoreDll.HasMocConsistency(memory, (uint)bytes.Length);
+            var hasMocConsistency = (mocConsistencyNum == 1);
+
+            CubismUnmanagedMemory.Deallocate(memory);
+
+            return hasMocConsistency;
+        }
+
         /// <summary>
         /// Releases instance.
         /// </summary>
diff --git a/Assets/Live2D/Cubism/Plugins/CHANGELOG.md b/Assets/Live2D/Cubism/Plugins/CHANGELOG.md
index 6dde519..ed040b9 100644
--- a/Assets/Live2D/Cubism/Plugins/CHANGELOG.md
+++ b/Assets/Live2D/Cubism/Plugins/CHANGELOG.md
@@ -4,6 +4,39 @@ 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/).
 
+## 2023-03-10
+
+### Added
+
+* Add the function `csmHasMocConsistency`.
+  * This function verifies that the `MOC3` file is valid.
+
+### Changed
+
+* Upgrade Core version to 04.02.0003.
+
+
+## 2023-02-21
+
+### Added
+
+* [Web] Added classes related to `Memory`.
+  * Add the funciton `initializeAmountOfMemory()` to adjust the amount of memory at initialization.
+
+
+## 2022-10-28
+
+### Fixed
+
+* [Java] Remove unnecessary methods.
+
+
+## 2022-10-06
+
+### Added
+
+* [Java] Add AAR file for Android.
+
 
 ## 2022-09-08
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 05e0fa9..e84d22e 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] - 2023-01-26
 
 ### Added
@@ -267,7 +274,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 * Fix issue where Priority value was not reset after playing motion with CubismMotionController.
 
 
-[4-r.5]: https://github.com/Live2D/CubismUnityComponents/compare/4-r.5...4-r.6
+[4-r.6.1]: https://github.com/Live2D/CubismUnityComponents/compare/4-r.6...4-r.6.1
+[4-r.6]: https://github.com/Live2D/CubismUnityComponents/compare/4-r.5...4-r.6
 [4-r.5]: https://github.com/Live2D/CubismUnityComponents/compare/4-r.5-beta.5...4-r.5
 [4-r.5-beta.5]: https://github.com/Live2D/CubismUnityComponents/compare/4-r.5-beta.4...4-r.5-beta.5
 [4-r.5-beta.4]: https://github.com/Live2D/CubismUnityComponents/compare/4-r.5-beta.3...4-r.5-beta.4