diff --git a/Src/FullFrameworkWebApp/packages.config b/Src/FullFrameworkWebApp/packages.config
index 40f85c9..918a735 100644
--- a/Src/FullFrameworkWebApp/packages.config
+++ b/Src/FullFrameworkWebApp/packages.config
@@ -12,6 +12,6 @@
   <package id="Microsoft.jQuery.Unobtrusive.Validation" version="3.2.11" targetFramework="net472" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net472" />
   <package id="Modernizr" version="2.8.3" targetFramework="net472" />
-  <package id="Newtonsoft.Json" version="12.0.2" targetFramework="net472" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net472" />
   <package id="WebGrease" version="1.6.0" targetFramework="net472" />
 </packages>
\ No newline at end of file
diff --git a/Src/StackifyLib/StackifyLib.csproj b/Src/StackifyLib/StackifyLib.csproj
index f541861..f067a20 100644
--- a/Src/StackifyLib/StackifyLib.csproj
+++ b/Src/StackifyLib/StackifyLib.csproj
@@ -27,7 +27,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' OR '$(TargetFramework)' == 'net461' OR '$(TargetFramework)' == 'net462' ">