diff --git a/FatZebra.Tests/FatZebra.Tests.csproj b/FatZebra.Tests/FatZebra.Tests.csproj
index 876ead8..e92f482 100644
--- a/FatZebra.Tests/FatZebra.Tests.csproj
+++ b/FatZebra.Tests/FatZebra.Tests.csproj
@@ -32,10 +32,11 @@
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="Newtonsoft.Json">
-      <HintPath>..\packages\Newtonsoft.Json.11.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
+    <Reference Include="Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed">
+      <HintPath>..\packages\Newtonsoft.Json.13.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
+      <Private>True</Private>
     </Reference>
+    <Reference Include="System" />
     <Reference Include="nunit.framework">
       <HintPath>..\packages\NUnit.3.10.1\lib\net45\nunit.framework.dll</HintPath>
     </Reference>
diff --git a/FatZebra.Tests/packages.config b/FatZebra.Tests/packages.config
index bb95512..b3ce6f6 100644
--- a/FatZebra.Tests/packages.config
+++ b/FatZebra.Tests/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="11.0.1" targetFramework="net451" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net451" />
   <package id="NUnit" version="3.10.1" targetFramework="net451" />
 </packages>
\ No newline at end of file
diff --git a/FatZebra/FatZebra.csproj b/FatZebra/FatZebra.csproj
index f3fc5df..8c584ca 100644
--- a/FatZebra/FatZebra.csproj
+++ b/FatZebra/FatZebra.csproj
@@ -40,6 +40,10 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed">
+      <HintPath>..\packages\Newtonsoft.Json.13.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Runtime.Serialization" />
@@ -47,9 +51,6 @@
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="System.Data" />
     <Reference Include="System.Xml" />
-    <Reference Include="Newtonsoft.Json">
-      <HintPath>..\packages\Newtonsoft.Json.11.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
-    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Gateway.cs" />
diff --git a/FatZebra/packages.config b/FatZebra/packages.config
index 2f2c767..457214d 100644
--- a/FatZebra/packages.config
+++ b/FatZebra/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="11.0.1" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
   <package id="NuGet.Build.Packaging" version="0.2.0" targetFramework="net45" developmentDependency="true" />
 </packages>
\ No newline at end of file