diff --git a/WCD/App.config b/WCD/App.config
index 56efbc7..2877165 100644
--- a/WCD/App.config
+++ b/WCD/App.config
@@ -1,6 +1,14 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
     <startup> 
         <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
     </startup>
+  <runtime>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="MimeKit" publicKeyToken="bede1c8a46c66814" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.15.0.0" newVersion="4.15.0.0" />
+      </dependentAssembly>
+    </assemblyBinding>
+  </runtime>
 </configuration>
\ No newline at end of file
diff --git a/WCD/WCDWpf.csproj b/WCD/WCDWpf.csproj
index e3f0136..df1c33f 100644
--- a/WCD/WCDWpf.csproj
+++ b/WCD/WCDWpf.csproj
@@ -69,18 +69,39 @@
     <Reference Include="BouncyCastle.Crypto, Version=1.8.5.0, Culture=neutral, PublicKeyToken=0e99375e54769942, processorArchitecture=MSIL">
       <HintPath>..\packages\Portable.BouncyCastle.1.8.5\lib\net40\BouncyCastle.Crypto.dll</HintPath>
     </Reference>
+    <Reference Include="BouncyCastle.Cryptography, Version=2.0.0.0, Culture=neutral, PublicKeyToken=072edcf4a5328938">
+      <HintPath>..\packages\BouncyCastle.Cryptography.2.6.2\lib\net461\BouncyCastle.Cryptography.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="HtmlAgilityPack, Version=1.11.23.0, Culture=neutral, PublicKeyToken=bd319b19eaf3b43a, processorArchitecture=MSIL">
       <HintPath>..\packages\HtmlAgilityPack.1.11.23\lib\Net45\HtmlAgilityPack.dll</HintPath>
     </Reference>
     <Reference Include="MailKit, Version=2.5.0.0, Culture=neutral, PublicKeyToken=4e064fe7c44a8f1b, processorArchitecture=MSIL">
       <HintPath>..\packages\MailKit.2.6.0\lib\net47\MailKit.dll</HintPath>
     </Reference>
-    <Reference Include="MimeKit, Version=2.6.0.0, Culture=neutral, PublicKeyToken=bede1c8a46c66814, processorArchitecture=MSIL">
-      <HintPath>..\packages\MimeKit.2.6.0\lib\net47\MimeKit.dll</HintPath>
+    <Reference Include="MimeKit, Version=4.15.0.0, Culture=neutral, PublicKeyToken=bede1c8a46c66814">
+      <HintPath>..\packages\MimeKit.4.15.1\lib\net47\MimeKit.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System" />
+    <Reference Include="System.Buffers, Version=4.0.5.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51">
+      <HintPath>..\packages\System.Buffers.4.6.1\lib\net462\System.Buffers.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="System.Data" />
     <Reference Include="System.Drawing" />
+    <Reference Include="System.Memory, Version=4.0.5.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51">
+      <HintPath>..\packages\System.Memory.4.6.3\lib\net462\System.Memory.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Numerics.Vectors, Version=4.1.6.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <HintPath>..\packages\System.Numerics.Vectors.4.6.1\lib\net462\System.Numerics.Vectors.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=6.0.3.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.6.1.2\lib\net462\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="System.Security" />
     <Reference Include="System.Windows.Forms" />
     <Reference Include="System.Xml" />
diff --git a/WCD/packages.config b/WCD/packages.config
index 0cce90f..e214889 100644
--- a/WCD/packages.config
+++ b/WCD/packages.config
@@ -1,7 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
+  <package id="BouncyCastle.Cryptography" version="2.6.2" targetFramework="net472" />
   <package id="HtmlAgilityPack" version="1.11.23" targetFramework="net472" />
   <package id="MailKit" version="2.6.0" targetFramework="net472" />
-  <package id="MimeKit" version="2.6.0" targetFramework="net472" />
+  <package id="MimeKit" version="4.15.1" targetFramework="net472" />
   <package id="Portable.BouncyCastle" version="1.8.5" targetFramework="net472" />
+  <package id="System.Buffers" version="4.6.1" targetFramework="net472" />
+  <package id="System.Memory" version="4.6.3" targetFramework="net472" />
+  <package id="System.Numerics.Vectors" version="4.6.1" targetFramework="net472" />
+  <package id="System.Runtime.CompilerServices.Unsafe" version="6.1.2" targetFramework="net472" />
 </packages>
\ No newline at end of file