diff --git a/src/JsonToSimpl/JsonToSimplMaster.cs b/src/JsonToSimpl/JsonToSimplMaster.cs
index d531d18..2f872e4 100644
--- a/src/JsonToSimpl/JsonToSimplMaster.cs
+++ b/src/JsonToSimpl/JsonToSimplMaster.cs
@@ -1,5 +1,6 @@
-using System;
+using System;
 using System.Collections.Generic;
+using System.IO;
 using Crestron.SimplSharp;
 using Crestron.SimplSharp.CrestronIO;
 using Newtonsoft.Json;
@@ -159,7 +160,11 @@ namespace PepperDash.Core.JsonToSimpl
             /// <returns></returns>
 			public static JObject ParseObject(string json)
 			{
-				using (var reader = new JsonTextReader(new StringReader(json)))
+				#if NET6_0
+                using (var reader = new JsonTextReader(new System.IO.StringReader(json)))
+#else
+                using (var reader = new JsonTextReader(new Crestron.SimplSharp.CrestronIO.StringReader(json)))
+#endif
 				{
 					var startDepth = reader.Depth;
 					var obj = JObject.Load(reader);
@@ -176,7 +181,11 @@ namespace PepperDash.Core.JsonToSimpl
             /// <returns></returns>
 			public static JArray ParseArray(string json)
 			{
-				using (var reader = new JsonTextReader(new StringReader(json)))
+				#if NET6_0
+                using (var reader = new JsonTextReader(new System.IO.StringReader(json)))
+#else
+                using (var reader = new JsonTextReader(new Crestron.SimplSharp.CrestronIO.StringReader(json)))
+#endif
 				{
 					var startDepth = reader.Depth;
 					var obj = JArray.Load(reader);
diff --git a/src/PepperDash.Core.4Series.csproj b/src/PepperDash.Core.4Series.csproj
index 1433862..d2a2c62 100644
--- a/src/PepperDash.Core.4Series.csproj
+++ b/src/PepperDash.Core.4Series.csproj
@@ -39,7 +39,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="BouncyCastle.Cryptography" Version="2.4.0" />
-    <PackageReference Include="Crestron.SimplSharp.SDK.Library" Version="2.20.66" />
+    <PackageReference Include="Crestron.SimplSharp.SDK.Library" Version="2.21.90" />
     <PackageReference Include="Serilog" Version="3.1.1" />
     <PackageReference Include="Serilog.Expressions" Version="4.0.0" />
     <PackageReference Include="Serilog.Formatting.Compact" Version="2.0.0" />
@@ -48,6 +48,9 @@
     <PackageReference Include="SSH.NET" Version="2024.2.0" />
     <PackageReference Include="WebSocketSharp" Version="1.0.3-rc11" />
   </ItemGroup>
+  <ItemGroup Condition="'$(TargetFramework)' == 'net6'">
+	  <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+  </ItemGroup>
   <ItemGroup>
     <Compile Remove="Comm\._GenericSshClient.cs" />
     <Compile Remove="Comm\._GenericTcpIpClient.cs" />