diff --git a/Assets/VRM/UniJSON/Editor/Tests/Json/JsonSerializerTests.cs b/Assets/VRM/UniJSON/Editor/Tests/Json/JsonSerializerTests.cs
index 81206004a..78461370d 100644
--- a/Assets/VRM/UniJSON/Editor/Tests/Json/JsonSerializerTests.cs
+++ b/Assets/VRM/UniJSON/Editor/Tests/Json/JsonSerializerTests.cs
@@ -1,5 +1,6 @@
 #pragma warning disable 0649
 using System;
+using System.Linq;
 using NUnit.Framework;
 using System.Collections.Generic;
 
@@ -145,9 +146,38 @@ namespace UniJSON
             DeserializeValue(new EnumTest(), "{\"EnumDefault\":0,\"EnumAsInt\":0,\"EnumAsString\":\"Hoge\",\"EnumAsLowerString\":\"hoge\"}");
         }
 
-        class DictionaryValue
+        class DictionaryValue: IEquatable<DictionaryValue>
         {
-            public Dictionary<string, object> Dict;
+            public Dictionary<string, object> Dict = new Dictionary<string, object>();
+
+            public override bool Equals(object obj)
+            {
+                var rhs = obj as DictionaryValue;
+                if (rhs != null)
+                {
+                    return Equals(rhs);
+                }
+                else
+                {
+                    return base.Equals(obj);
+                }
+            }
+
+            public bool Equals(DictionaryValue other)
+            {
+                if(Dict==null && other.Dict == null)
+                {
+                    return true;
+                }
+                else if(Dict==null || other.Dict==null)
+                {
+                    return false;
+                }
+                else
+                {
+                    return Dict.OrderBy(x => x.Key).SequenceEqual(other.Dict.OrderBy(x => x.Key));
+                }
+            }
         }
 
         [Test]
diff --git a/Assets/VRM/UniJSON/Scripts/JsonSchemaValidator/JsonDictionaryValidator.cs b/Assets/VRM/UniJSON/Scripts/JsonSchemaValidator/JsonDictionaryValidator.cs
index 6b97c1e0c..cf191ebf7 100644
--- a/Assets/VRM/UniJSON/Scripts/JsonSchemaValidator/JsonDictionaryValidator.cs
+++ b/Assets/VRM/UniJSON/Scripts/JsonSchemaValidator/JsonDictionaryValidator.cs
@@ -276,7 +276,7 @@ namespace UniJSON
         public void Deserialize<U, V>(ListTreeNode<U> src, ref V dst)
             where U : IListTreeItem, IValue<U>
         {
-            throw new NotImplementedException();
+            src.Deserialize(ref dst);
         }
     }
 
diff --git a/Assets/VRM/UniVRM/Editor/Tests/UniVRMSerializeTests.cs b/Assets/VRM/UniVRM/Editor/Tests/UniVRMSerializeTests.cs
index 8fba75208..1150312d2 100644
--- a/Assets/VRM/UniVRM/Editor/Tests/UniVRMSerializeTests.cs
+++ b/Assets/VRM/UniVRM/Editor/Tests/UniVRMSerializeTests.cs
@@ -219,10 +219,32 @@ namespace VRM
         [Test]
         public void MaterialTest()
         {
-            var model = new glTF_VRM_Material();
+            var model = new glTF_VRM_Material
+            {
+                floatProperties = new Dictionary<string, float>
+                {
+                    {"float", 1.0f}
+                },
+                vectorProperties = new Dictionary<string, float[]>
+                {
+                    {"vector", new float[]{0, 1, 2, 3 }}
+                },
+                textureProperties = new Dictionary<string, int>
+                {
+                    {"texture", 0}
+                },
+                keywordMap = new Dictionary<string, bool>
+                {
+                    {"keyword", true}
+                },
+                tagMap = new Dictionary<string, string>
+                {
+                    {"tag", "map"}
+                },
+            };
 
             var json = model.ToJson();
-            Assert.AreEqual(@"{""renderQueue"":-1,""floatProperties"":{},""vectorProperties"":{},""textureProperties"":{},""keywordMap"":{},""tagMap"":{}}", json);
+            Assert.AreEqual(@"{""renderQueue"":-1,""floatProperties"":{""float"":1},""vectorProperties"":{""vector"":[0,1,2,3]},""textureProperties"":{""texture"":0},""keywordMap"":{""keyword"":true},""tagMap"":{""tag"":""map""}}", json);
             Debug.Log(json);
 
             var c = new JsonSchemaValidationContext("")
@@ -231,7 +253,12 @@ namespace VRM
             };
             var json2 = JsonSchema.FromType<glTF_VRM_Material>().Serialize(model, c);
             // NOTE: New serializer outputs values which will not be used...
-            Assert.AreEqual(json,json2);
+            Assert.AreEqual(json, json2);
+
+            // deserialize
+            var deserialized = default(glTF_VRM_Material);
+            json.ParseAsJson().Deserialize(ref deserialized);
+            Assert.AreEqual(1, deserialized.floatProperties.Count);
         }
 
         [Test]