diff --git a/src/React.Core/React.Core.csproj b/src/React.Core/React.Core.csproj
index 08ec0a3c6..b911c0721 100644
--- a/src/React.Core/React.Core.csproj
+++ b/src/React.Core/React.Core.csproj
@@ -49,7 +49,7 @@
     <PackageReference Include="JavaScriptEngineSwitcher.Core" Version="3.1.0" />
     <PackageReference Include="JSPool" Version="4.0.0" />
     <PackageReference Include="Microsoft.Sourcelink.Github" Version="1.0.0" PrivateAssets="All" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net40' Or '$(TargetFramework)' == 'net45' ">
diff --git a/src/React.Sample.Mvc4/packages.config b/src/React.Sample.Mvc4/packages.config
index 18a9fb9fe..183c48e65 100644
--- a/src/React.Sample.Mvc4/packages.config
+++ b/src/React.Sample.Mvc4/packages.config
@@ -11,7 +11,7 @@
   <package id="Microsoft.AspNet.Web.Optimization" version="1.1.3" targetFramework="net4" />
   <package id="Microsoft.AspNet.WebPages" version="2.0.30506.0" targetFramework="net4" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net4" />
-  <package id="Newtonsoft.Json" version="12.0.1" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
   <package id="WebActivatorEx" version="2.2.0" targetFramework="net45" />
   <package id="WebGrease" version="1.6.0" targetFramework="net45" />
 </packages>
\ No newline at end of file