diff --git a/src/TensorFlowNET.Core/Operations/Operation.Input.cs b/src/TensorFlowNET.Core/Operations/Operation.Input.cs
index f518c726..7d905f3e 100644
--- a/src/TensorFlowNET.Core/Operations/Operation.Input.cs
+++ b/src/TensorFlowNET.Core/Operations/Operation.Input.cs
@@ -14,10 +14,12 @@
    limitations under the License.
 ******************************************************************************/
 
-using Newtonsoft.Json;
 using System;
 using System.Linq;
 using System.Runtime.InteropServices;
+#if SERIALIZABLE
+using System.Text.Json.Serialization;
+#endif
 
 namespace Tensorflow
 {
diff --git a/src/TensorFlowNET.Core/Operations/Operation.Output.cs b/src/TensorFlowNET.Core/Operations/Operation.Output.cs
index f4dcdfd6..e68513b5 100644
--- a/src/TensorFlowNET.Core/Operations/Operation.Output.cs
+++ b/src/TensorFlowNET.Core/Operations/Operation.Output.cs
@@ -14,10 +14,12 @@
    limitations under the License.
 ******************************************************************************/
 
-using Newtonsoft.Json;
 using System;
 using System.Linq;
 using System.Runtime.InteropServices;
+#if SERIALIZABLE
+using System.Text.Json.Serialization;
+#endif
 using static Tensorflow.Binding;
 
 namespace Tensorflow
diff --git a/src/TensorFlowNET.Core/Operations/Operation.cs b/src/TensorFlowNET.Core/Operations/Operation.cs
index 2e653e51..c270afc3 100644
--- a/src/TensorFlowNET.Core/Operations/Operation.cs
+++ b/src/TensorFlowNET.Core/Operations/Operation.cs
@@ -16,12 +16,12 @@
 
 using Google.Protobuf.Collections;
 #if SERIALIZABLE
-using Newtonsoft.Json;
+using System.Text.Json.Serialization;
 #endif
 using System;
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
+using System.Linq;
 using Tensorflow.Util;
 
 namespace Tensorflow
@@ -65,7 +65,7 @@ namespace Tensorflow
 #if SERIALIZABLE
         [JsonIgnore]
 #endif
-        public int _id_value;
+        public int _id_value { get; set; }
 #if SERIALIZABLE
         [JsonIgnore]
 #endif
diff --git a/src/TensorFlowNET.Core/TensorFlowNET.Core.csproj b/src/TensorFlowNET.Core/TensorFlowNET.Core.csproj
index bb5d889c..f7b7d424 100644
--- a/src/TensorFlowNET.Core/TensorFlowNET.Core.csproj
+++ b/src/TensorFlowNET.Core/TensorFlowNET.Core.csproj
@@ -43,7 +43,7 @@ Docs: https://tensorflownet.readthedocs.io</Description>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <DefineConstants>TRACE;DEBUG;SERIALIZABLE</DefineConstants>
+    <DefineConstants>TRACE;DEBUG;SERIALIZABLE_</DefineConstants>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
@@ -65,8 +65,7 @@ Docs: https://tensorflownet.readthedocs.io</Description>
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.5.1" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+    <PackageReference Include="Google.Protobuf" Version="3.10.0" />
     <PackageReference Include="NumSharp" Version="0.20.4" />
   </ItemGroup>
 
diff --git a/src/TensorFlowNET.Core/Tensors/Tensor.Creation.cs b/src/TensorFlowNET.Core/Tensors/Tensor.Creation.cs
index 7c5054d3..9b9e31da 100644
--- a/src/TensorFlowNET.Core/Tensors/Tensor.Creation.cs
+++ b/src/TensorFlowNET.Core/Tensors/Tensor.Creation.cs
@@ -25,7 +25,9 @@ using System.Text;
 using NumSharp.Backends;
 using NumSharp.Backends.Unmanaged;
 using static Tensorflow.c_api;
-using Newtonsoft.Json;
+#if SERIALIZABLE
+using System.Text.Json.Serialization;
+#endif
 
 namespace Tensorflow
 {
diff --git a/src/TensorFlowNET.Core/Tensors/Tensor.cs b/src/TensorFlowNET.Core/Tensors/Tensor.cs
index ef053651..485ee4f1 100644
--- a/src/TensorFlowNET.Core/Tensors/Tensor.cs
+++ b/src/TensorFlowNET.Core/Tensors/Tensor.cs
@@ -28,7 +28,9 @@ using NumSharp.Backends;
 using NumSharp.Backends.Unmanaged;
 using NumSharp.Utilities;
 using Tensorflow.Framework;
-using Newtonsoft.Json;
+#if SERIALIZABLE
+using System.Text.Json.Serialization;
+#endif
 
 namespace Tensorflow
 {
diff --git a/src/TensorFlowNET.Core/Tensors/TensorShape.cs b/src/TensorFlowNET.Core/Tensors/TensorShape.cs
index 80bb31c1..02e57800 100644
--- a/src/TensorFlowNET.Core/Tensors/TensorShape.cs
+++ b/src/TensorFlowNET.Core/Tensors/TensorShape.cs
@@ -1,10 +1,12 @@
-using Newtonsoft.Json;
-using NumSharp;
+using NumSharp;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Runtime.CompilerServices;
+#if SERIALIZABLE
+using System.Text.Json.Serialization;
+#endif
 using static Tensorflow.Binding;
 
 namespace Tensorflow