diff --git a/root/programs/ASPNETWebServiceCore/ASPNETWebServiceCore/ASPNETWebServiceCore.csproj b/root/programs/ASPNETWebServiceCore/ASPNETWebServiceCore/ASPNETWebServiceCore.csproj
index 4febc54..4b3ff45 100644
--- a/root/programs/ASPNETWebServiceCore/ASPNETWebServiceCore/ASPNETWebServiceCore.csproj
+++ b/root/programs/ASPNETWebServiceCore/ASPNETWebServiceCore/ASPNETWebServiceCore.csproj
@@ -9,7 +9,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="3.0.0" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
     <PackageReference Include="System.Data.SqlClient" Version="4.6.1" />
-    <PackageReference Include="System.Security.Cryptography.Xml" Version="4.5.0" />
+    <PackageReference Include="System.Security.Cryptography.Xml" Version="4.7.1" />
   </ItemGroup>
 
   <ItemGroup>