diff --git a/Code/Tier3-DatabaseLayer/RestServer/Tier3.csproj b/Code/Tier3-DatabaseLayer/RestServer/Tier3.csproj
old mode 100755
new mode 100644
index fb06a84..ef65ace
--- a/Code/Tier3-DatabaseLayer/RestServer/Tier3.csproj
+++ b/Code/Tier3-DatabaseLayer/RestServer/Tier3.csproj
@@ -13,7 +13,7 @@
       <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="3.1.0" />
       <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="3.1.0" />
       <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="3.1.0" />
-      <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+      <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
       <PackageReference Include="NUnit" Version="3.12.0" />
       <PackageReference Include="System.Runtime" Version="4.3.1" />
     </ItemGroup>