diff --git a/TestClient/TestClient.csproj b/TestClient/TestClient.csproj
index 3e23065..b490867 100644
--- a/TestClient/TestClient.csproj
+++ b/TestClient/TestClient.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
 </Project>