diff --git a/GradeBook/GradeBook.csproj b/GradeBook/GradeBook.csproj
index 48e1dc678..2fbb3690e 100644
--- a/GradeBook/GradeBook.csproj
+++ b/GradeBook/GradeBook.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
@@ -11,7 +11,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="System.IO" Version="4.3.0" />
   </ItemGroup>