diff --git a/net/src/MQTTLib/MQTTLib.csproj b/net/src/MQTTLib/MQTTLib.csproj
index d227817..1b5c390 100644
--- a/net/src/MQTTLib/MQTTLib.csproj
+++ b/net/src/MQTTLib/MQTTLib.csproj
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
@@ -46,7 +46,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="BouncyCastle">
-      <Version>1.8.5</Version>
+      <Version>1.8.9</Version>
     </PackageReference>
     <PackageReference Include="MQTTnet">
       <Version>3.0.9</Version>