diff --git a/CS/NetCore/WhatIsMyBrowser.CommonTypesCore/WhatIsMyBrowser.CommonTypesCore.csproj b/CS/NetCore/WhatIsMyBrowser.CommonTypesCore/WhatIsMyBrowser.CommonTypesCore.csproj
index 6f45bec..6a6d042 100644
--- a/CS/NetCore/WhatIsMyBrowser.CommonTypesCore/WhatIsMyBrowser.CommonTypesCore.csproj
+++ b/CS/NetCore/WhatIsMyBrowser.CommonTypesCore/WhatIsMyBrowser.CommonTypesCore.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
   <ItemGroup>