diff --git a/commercetools.Sdk/Tests/commercetools.Api.Serialization.Tests/AttributesTests.cs b/commercetools.Sdk/Tests/commercetools.Api.Serialization.Tests/AttributesTests.cs
index 0412472b595..582f2f53343 100644
--- a/commercetools.Sdk/Tests/commercetools.Api.Serialization.Tests/AttributesTests.cs
+++ b/commercetools.Sdk/Tests/commercetools.Api.Serialization.Tests/AttributesTests.cs
@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using System.IO;
 using commercetools.Sdk.Api;
@@ -21,6 +22,26 @@ public AttributesTests(SerializationFixture serializationFixture)
             this._serializationFixture = serializationFixture;
         }
 
+        [Fact]
+        public void MixedSetDeserialization()
+        {
+            var services = new ServiceCollection();
+            services.UseCommercetoolsApiSerialization(new SerializationConfiguration() { AttributeTypeMap = new Dictionary<string, Type>()
+            {
+                { "set-mixed", typeof(SetAttribute<decimal>) },
+                { "decimal", typeof(DecimalAttribute) },
+            }});
+            var serviceProvider = services.BuildServiceProvider();
+            var serializerService = serviceProvider.GetService<IApiSerializerService>();
+            var serialized = File.ReadAllText("Resources/Attributes/MixedSetAttribute.json");
+            var deserialized = serializerService.Deserialize<ProductVariant>(serialized);
+            Assert.NotNull(deserialized);
+            var attributes = deserialized.Attributes;
+            Assert.IsType<List<decimal>>(attributes.Get("set-mixed").Value);
+            Assert.IsType<decimal>(attributes.Get("decimal").Value);
+
+        }
+
         [Fact]
         public void AttributesDeserialization()
         {
diff --git a/commercetools.Sdk/Tests/commercetools.Api.Serialization.Tests/Resources/Attributes/MixedSetAttribute.json b/commercetools.Sdk/Tests/commercetools.Api.Serialization.Tests/Resources/Attributes/MixedSetAttribute.json
new file mode 100644
index 00000000000..7dff95392b8
--- /dev/null
+++ b/commercetools.Sdk/Tests/commercetools.Api.Serialization.Tests/Resources/Attributes/MixedSetAttribute.json
@@ -0,0 +1,14 @@
+{
+  "id": 1,
+  "key": "newKey",
+  "attributes": [
+    {
+      "name": "set-mixed",
+      "value": [10, 10.3]
+    },
+    {
+      "name": "decimal",
+      "value": 10.3
+    }
+  ]
+}
\ No newline at end of file
diff --git a/commercetools.Sdk/Tests/commercetools.Api.Serialization.Tests/SerializationFixture.cs b/commercetools.Sdk/Tests/commercetools.Api.Serialization.Tests/SerializationFixture.cs
index 1bf895e8f1d..9ce57fe4cf3 100644
--- a/commercetools.Sdk/Tests/commercetools.Api.Serialization.Tests/SerializationFixture.cs
+++ b/commercetools.Sdk/Tests/commercetools.Api.Serialization.Tests/SerializationFixture.cs
@@ -1,5 +1,8 @@
+using System;
+using System.Collections.Generic;
 using commercetools.Base.Serialization;
 using commercetools.Sdk.Api;
+using commercetools.Sdk.Api.Models.Products;
 using commercetools.Sdk.Api.Serialization;
 using Microsoft.Extensions.DependencyInjection;
 
diff --git a/commercetools.Sdk/commercetools.Sdk.Api/Serialization/ISerializationConfiguration.cs b/commercetools.Sdk/commercetools.Sdk.Api/Serialization/ISerializationConfiguration.cs
index 229ff2bd37e..2fad3575f32 100644
--- a/commercetools.Sdk/commercetools.Sdk.Api/Serialization/ISerializationConfiguration.cs
+++ b/commercetools.Sdk/commercetools.Sdk.Api/Serialization/ISerializationConfiguration.cs
@@ -1,7 +1,12 @@
+using System;
+using System.Collections.Generic;
+
 namespace commercetools.Sdk.Api.Serialization
 {
     public interface ISerializationConfiguration
     {
         bool DeserializeNumberAttributeAsDecimalOnly { get; set; }
+
+        Dictionary<string, Type> AttributeTypeMap { get; set; }
     }
 }
\ No newline at end of file
diff --git a/commercetools.Sdk/commercetools.Sdk.Api/Serialization/JsonConverters/AttributeConverter.cs b/commercetools.Sdk/commercetools.Sdk.Api/Serialization/JsonConverters/AttributeConverter.cs
index d4a3bc99347..4f8a0647f93 100644
--- a/commercetools.Sdk/commercetools.Sdk.Api/Serialization/JsonConverters/AttributeConverter.cs
+++ b/commercetools.Sdk/commercetools.Sdk.Api/Serialization/JsonConverters/AttributeConverter.cs
@@ -36,8 +36,9 @@ public override IAttribute Read(ref Utf8JsonReader reader, Type typeToConvert, J
             {
                 var nameProp = rootElement.GetProperty("name");
                 var valueProp = rootElement.GetProperty("value");
-                attribute = _attributeTypeRetriever.GetAttribute(valueProp);
-                attribute.Name = nameProp.GetString();
+                var attributeName = nameProp.GetString(); 
+                attribute = _attributeTypeRetriever.GetAttribute(attributeName, valueProp);
+                attribute.Name = attributeName;
                 var returnType = attribute is IGenericTypeAttribute attributeValueType ?
                     attributeValueType.GetValueType() :
                     _mapperTypeRetriever.GetTypeForToken(valueProp);
diff --git a/commercetools.Sdk/commercetools.Sdk.Api/Serialization/MapperTypeRetrievers/AttributeTypeRetriever.cs b/commercetools.Sdk/commercetools.Sdk.Api/Serialization/MapperTypeRetrievers/AttributeTypeRetriever.cs
index 78f601e1033..4267d6f8587 100644
--- a/commercetools.Sdk/commercetools.Sdk.Api/Serialization/MapperTypeRetrievers/AttributeTypeRetriever.cs
+++ b/commercetools.Sdk/commercetools.Sdk.Api/Serialization/MapperTypeRetrievers/AttributeTypeRetriever.cs
@@ -138,10 +138,22 @@ private Type GetElementTypeForToken(JsonElement element)
             return tokenType;
         }
 
+        [Obsolete("use GetAttribute(attributeName, element) instead")]
         public IAttribute GetAttribute(JsonElement element)
         {
             var type = GetTypeForToken(element);
             return (IAttribute)Activator.CreateInstance(type);
         }
+        
+        public IAttribute GetAttribute(String attributeName, JsonElement element)
+        {
+            if (_serializationConfiguration.AttributeTypeMap.TryGetValue(attributeName, out var mappedType))
+            {
+                return (IAttribute)Activator.CreateInstance(mappedType);
+            }
+            var type = GetTypeForToken(element);
+            return (IAttribute)Activator.CreateInstance(type);
+        }
+
     }
 }
\ No newline at end of file
diff --git a/commercetools.Sdk/commercetools.Sdk.Api/Serialization/SerializationConfiguration.cs b/commercetools.Sdk/commercetools.Sdk.Api/Serialization/SerializationConfiguration.cs
index 5990dc2d82d..9872d2efd3e 100644
--- a/commercetools.Sdk/commercetools.Sdk.Api/Serialization/SerializationConfiguration.cs
+++ b/commercetools.Sdk/commercetools.Sdk.Api/Serialization/SerializationConfiguration.cs
@@ -1,13 +1,13 @@
+using System;
+using System.Collections.Generic;
+
 namespace commercetools.Sdk.Api.Serialization
 {
     public class SerializationConfiguration : ISerializationConfiguration
     {
         public static readonly ISerializationConfiguration DefaultConfig = new SerializationConfiguration();
-        public bool DeserializeNumberAttributeAsDecimalOnly { get; set; }
+        public bool DeserializeNumberAttributeAsDecimalOnly { get; set; } = false;
 
-        public SerializationConfiguration()
-        {
-            this.DeserializeNumberAttributeAsDecimalOnly = false;
-        }
+        public Dictionary<string, Type> AttributeTypeMap { get; set; } = new Dictionary<string, Type>();
     }
 }
\ No newline at end of file