diff --git a/RSACryptoIntro/BasicCrypto/packages.config b/RSACryptoIntro/BasicCrypto/packages.config
index 9798642..82d3422 100644
--- a/RSACryptoIntro/BasicCrypto/packages.config
+++ b/RSACryptoIntro/BasicCrypto/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="System.Security.AccessControl" version="4.7.0" targetFramework="net461" />
-  <package id="System.Security.Cryptography.Xml" version="4.7.0" targetFramework="net461" />
+  <package id="System.Security.Cryptography.Xml" version="4.7.1" targetFramework="net461" />
   <package id="System.Security.Permissions" version="4.7.0" targetFramework="net461" />
   <package id="System.Security.Principal.Windows" version="4.7.0" targetFramework="net461" />
 </packages>
\ No newline at end of file