diff --git a/src/EhrgoHealth.WebService.UnitTests/packages.config b/src/EhrgoHealth.WebService.UnitTests/packages.config
index 1daec9d..747398a 100644
--- a/src/EhrgoHealth.WebService.UnitTests/packages.config
+++ b/src/EhrgoHealth.WebService.UnitTests/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Hl7.Fhir.DSTU21" version="0.90.4" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="6.0.7" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net452" />
   <package id="xunit" version="2.1.0" targetFramework="net452" />
   <package id="xunit.abstractions" version="2.0.0" targetFramework="net452" />
   <package id="xunit.assert" version="2.1.0" targetFramework="net452" />