diff --git a/client/ClientDecisionServiceTest/packages.config b/client/ClientDecisionServiceTest/packages.config
index 7a05e91b7..f98dbe674 100644
--- a/client/ClientDecisionServiceTest/packages.config
+++ b/client/ClientDecisionServiceTest/packages.config
@@ -4,7 +4,7 @@
   <package id="Microsoft.Data.Edm" version="5.8.1" targetFramework="net45" />
   <package id="Microsoft.Data.OData" version="5.8.1" targetFramework="net45" />
   <package id="Microsoft.Data.Services.Client" version="5.8.1" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
   <package id="System.Spatial" version="5.8.1" targetFramework="net45" />
   <package id="VowpalWabbit" version="8.4.0.3" targetFramework="net452" />
   <package id="VowpalWabbit.JSON" version="8.4.0.3" targetFramework="net452" />