diff --git a/QuickLook.Plugin/QuickLook.Plugin.CsvViewer/QuickLook.Plugin.CsvViewer.csproj b/QuickLook.Plugin/QuickLook.Plugin.CsvViewer/QuickLook.Plugin.CsvViewer.csproj
index 3f286df..1851741 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.CsvViewer/QuickLook.Plugin.CsvViewer.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.CsvViewer/QuickLook.Plugin.CsvViewer.csproj
@@ -55,7 +55,7 @@
     <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="CsvHelper, Version=3.0.0.0, Culture=neutral, PublicKeyToken=8c4959082be5c823, processorArchitecture=MSIL">
+    <Reference Include="CsvHelper, Version=5.0.0.0, Culture=neutral, PublicKeyToken=8c4959082be5c823, processorArchitecture=MSIL">
       <HintPath>..\..\packages\CsvHelper.5.0.0.1\lib\net45\CsvHelper.dll</HintPath>
     </Reference>
     <Reference Include="Microsoft.CSharp" />
diff --git a/QuickLook.Plugin/QuickLook.Plugin.MailViewer/packages.config b/QuickLook.Plugin/QuickLook.Plugin.MailViewer/packages.config
index c1a5493..6ffc774 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.MailViewer/packages.config
+++ b/QuickLook.Plugin/QuickLook.Plugin.MailViewer/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="MSGReader" version="2.1.0.0" targetFramework="net462" />
+  <package id="MSGReader" version="2.0.14" targetFramework="net462" />
 </packages>
\ No newline at end of file