diff --git a/Assets/UniGLTF/Tests/UniGLTF/MaterialTests.cs b/Assets/UniGLTF/Tests/UniGLTF/MaterialTests.cs
index 55c418f10..4ec781cc7 100644
--- a/Assets/UniGLTF/Tests/UniGLTF/MaterialTests.cs
+++ b/Assets/UniGLTF/Tests/UniGLTF/MaterialTests.cs
@@ -1,4 +1,5 @@
-using NUnit.Framework;
+using System;
+using NUnit.Framework;
 using UnityEngine;
 using UniJSON;
 using System.Linq;
@@ -262,7 +263,6 @@ namespace UniGLTF
             var gltfMaterial = materialExporter.ExportMaterial(material, textureExporter, new GltfExportSettings());
 
             var maxComponent = Mathf.GammaToLinearSpace(2f);
-
             Assert.That(gltfMaterial.emissiveFactor, Is.EqualTo(new float[] { 0f, 1f / maxComponent, 1f }).Within(0.5f / 255f));
         }
     }
diff --git a/Assets/VRM10/Tests/MigrationTests.cs b/Assets/VRM10/Tests/MigrationTests.cs
index 6f2219e22..e21bf5011 100644
--- a/Assets/VRM10/Tests/MigrationTests.cs
+++ b/Assets/VRM10/Tests/MigrationTests.cs
@@ -359,7 +359,7 @@ namespace UniVRM10
                 new Color(0.5f, 0.5f, 0.5f, 1),
                 new Color(0f, 0f, 0f, 1),
                 new Color(0f, 0f, 0f, 1),
-                new Color( Mathf.Pow(0.5f, 1f/2.2f), Mathf.Pow(0.5f, 1f/2.2f), Mathf.Pow(0.5f, 1f/2.2f), 1),
+                new Color(Mathf.LinearToGammaSpace(0.5f), Mathf.LinearToGammaSpace(0.5f), Mathf.LinearToGammaSpace(0.5f), 1),
                 new Color(0f, 0f, 0f, 1),
                 new Color(0f, 0f, 0f, 1),
             };
diff --git a/Tests/Models/Materials/EmissionMigration_v0.106.0.vrm b/Tests/Models/Materials/EmissionMigration_v0.106.0.vrm
index 4eadbb0a4..d4c142b42 100644
Binary files a/Tests/Models/Materials/EmissionMigration_v0.106.0.vrm and b/Tests/Models/Materials/EmissionMigration_v0.106.0.vrm differ
diff --git a/Tests/Models/Materials/EmissionMigration_v0.107.0.vrm b/Tests/Models/Materials/EmissionMigration_v0.107.0.vrm
index 65380f6e7..56ff278be 100644
Binary files a/Tests/Models/Materials/EmissionMigration_v0.107.0.vrm and b/Tests/Models/Materials/EmissionMigration_v0.107.0.vrm differ