diff --git a/client/ClientDecisionServiceVowpalWabbit/packages.config b/client/ClientDecisionServiceVowpalWabbit/packages.config
index 1e19e14e8..3d7c46f3c 100644
--- a/client/ClientDecisionServiceVowpalWabbit/packages.config
+++ b/client/ClientDecisionServiceVowpalWabbit/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="GitLink" version="3.1.0" targetFramework="net462" developmentDependency="true" />
   <package id="MSBuildTasks" version="1.5.0.235" targetFramework="net462" developmentDependency="true" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
   <package id="VowpalWabbit" version="8.4.0.3" targetFramework="net452" />
   <package id="VowpalWabbit.JSON" version="8.4.0.3" targetFramework="net452" />
 </packages>
\ No newline at end of file