diff --git a/DuoSecurity.Auth.Http/DuoSecurity.Auth.Http.csproj b/DuoSecurity.Auth.Http/DuoSecurity.Auth.Http.csproj
index 060dfb8..40bffa2 100644
--- a/DuoSecurity.Auth.Http/DuoSecurity.Auth.Http.csproj
+++ b/DuoSecurity.Auth.Http/DuoSecurity.Auth.Http.csproj
@@ -20,7 +20,7 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+		<PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
 	</ItemGroup>
 
 </Project>