diff --git a/src/Tossit.Core/Tossit.Core.csproj b/src/Tossit.Core/Tossit.Core.csproj
old mode 100755
new mode 100644
index a42ff94..cc6951f
--- a/src/Tossit.Core/Tossit.Core.csproj
+++ b/src/Tossit.Core/Tossit.Core.csproj
@@ -19,7 +19,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="1.1.2" />
     <PackageReference Include="Microsoft.AspNetCore.Hosting.Abstractions" Version="1.1.3" />
     <PackageReference Include="Microsoft.Extensions.DependencyModel" Version="2.1.0" />