diff --git a/client/ClientDecisionServiceWebStandalone/packages.config b/client/ClientDecisionServiceWebStandalone/packages.config
index 3fc1f2cd8..e80c26da3 100644
--- a/client/ClientDecisionServiceWebStandalone/packages.config
+++ b/client/ClientDecisionServiceWebStandalone/packages.config
@@ -82,7 +82,7 @@
   <package id="Microsoft.Tpl.Dataflow" version="4.5.24" targetFramework="net461" />
   <package id="Microsoft.Win32.Primitives" version="4.3.0" targetFramework="net461" />
   <package id="NETStandard.Library" version="1.6.1" targetFramework="net461" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net461" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net461" />
   <package id="Rx-Core" version="2.2.5" targetFramework="net461" />
   <package id="Rx-Interfaces" version="2.2.5" targetFramework="net461" />
   <package id="Rx-Linq" version="2.2.5" targetFramework="net461" />