diff --git a/ExoMail.Smtp/packages.config b/ExoMail.Smtp/packages.config
index 15b6e36..3a33c69 100644
--- a/ExoMail.Smtp/packages.config
+++ b/ExoMail.Smtp/packages.config
@@ -1,7 +1,7 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="ARSoft.Tools.Net" version="2.2.4" targetFramework="net452" />
-  <package id="BouncyCastle" version="1.7.0" targetFramework="net452" />
+  <package id="BouncyCastle" version="1.8.9" targetFramework="net452" />
   <package id="Microsoft.IO.RecyclableMemoryStream" version="1.1.0.0" targetFramework="net452" />
   <package id="Newtonsoft.Json" version="8.0.3" targetFramework="net452" />
 </packages>
\ No newline at end of file