diff --git a/WebAuthenticatorDemo/WebAuthenticatorDemo/WebAuthenticatorDemo.csproj b/WebAuthenticatorDemo/WebAuthenticatorDemo/WebAuthenticatorDemo.csproj
old mode 100755
new mode 100644
index 706b938..fd8f436
--- a/WebAuthenticatorDemo/WebAuthenticatorDemo/WebAuthenticatorDemo.csproj
+++ b/WebAuthenticatorDemo/WebAuthenticatorDemo/WebAuthenticatorDemo.csproj
@@ -13,7 +13,7 @@
   <ItemGroup>
     <PackageReference Include="Xamarin.Forms" Version="4.5.0.530" />
     <PackageReference Include="Xamarin.Essentials" Version="1.5.2" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="IdentityModel" Version="4.2.0" />
   </ItemGroup>
   <ItemGroup>