diff --git a/Showcases/SimpleChartDemo/SimpleChartDemo/packages.config b/Showcases/SimpleChartDemo/SimpleChartDemo/packages.config
index c5f2695..be508c1 100644
--- a/Showcases/SimpleChartDemo/SimpleChartDemo/packages.config
+++ b/Showcases/SimpleChartDemo/SimpleChartDemo/packages.config
@@ -59,7 +59,7 @@
   <package id="System.ServiceModel.Http" version="4.4.1" targetFramework="net461" />
   <package id="System.ServiceModel.NetTcp" version="4.4.1" targetFramework="net461" />
   <package id="System.ServiceModel.Primitives" version="4.4.1" targetFramework="net461" />
-  <package id="System.ServiceModel.Security" version="4.4.1" targetFramework="net461" />
+  <package id="System.ServiceModel.Security" version="4.4.4" targetFramework="net461" />
   <package id="System.ServiceModel.Syndication" version="4.5.0" targetFramework="net461" />
   <package id="System.ServiceProcess.ServiceController" version="4.5.0" targetFramework="net461" />
   <package id="System.Text.Encoding.CodePages" version="4.5.0" targetFramework="net461" />