diff --git a/source/_tests/Owin.Scim.Tests/packages.config b/source/_tests/Owin.Scim.Tests/packages.config
index 53497a7..d015d4f 100644
--- a/source/_tests/Owin.Scim.Tests/packages.config
+++ b/source/_tests/Owin.Scim.Tests/packages.config
@@ -15,6 +15,6 @@
   <package id="Microsoft.Owin.Testing" version="3.0.1" targetFramework="net451" />
   <package id="NContext" version="4.0.0.15" targetFramework="net451" />
   <package id="NContext.Common" version="4.0.0.15" targetFramework="net451" />
-  <package id="Newtonsoft.Json" version="8.0.3" targetFramework="net451" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net451" />
   <package id="Owin" version="1.0" targetFramework="net451" />
 </packages>
\ No newline at end of file