diff --git a/CosmosMVC/CosmosMVC/packages.config b/CosmosMVC/CosmosMVC/packages.config
index 463fad9..0b46b8e 100644
--- a/CosmosMVC/CosmosMVC/packages.config
+++ b/CosmosMVC/CosmosMVC/packages.config
@@ -39,7 +39,7 @@
   <package id="System.Security.Cryptography.X509Certificates" version="4.3.0" targetFramework="net461" />
   <package id="System.Security.Permissions" version="4.5.0" targetFramework="net461" />
   <package id="System.Security.Principal.Windows" version="4.5.0" targetFramework="net461" />
-  <package id="System.ServiceModel.Primitives" version="4.5.0" targetFramework="net461" />
+  <package id="System.ServiceModel.Primitives" version="4.5.3" targetFramework="net461" />
   <package id="System.Text.Encodings.Web" version="4.6.0" targetFramework="net461" />
   <package id="System.Text.Json" version="4.6.0" targetFramework="net461" />
   <package id="System.Threading.Tasks.Extensions" version="4.5.2" targetFramework="net461" />