diff --git a/backend/WebApi/Lunchorder.Test/packages.config b/backend/WebApi/Lunchorder.Test/packages.config
index 33fca77..7a9907e 100644
--- a/backend/WebApi/Lunchorder.Test/packages.config
+++ b/backend/WebApi/Lunchorder.Test/packages.config
@@ -16,7 +16,7 @@
   <package id="Microsoft.Owin.Security" version="3.1.0" targetFramework="net461" />
   <package id="Microsoft.Owin.Testing" version="3.1.0" targetFramework="net461" />
   <package id="Moq" version="4.5.10" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net452" />
   <package id="NUnit" version="2.6.4" targetFramework="net452" />
   <package id="NUnitTestAdapter" version="2.0.0" targetFramework="net452" />
   <package id="Owin" version="1.0" targetFramework="net452" />