diff --git a/src/Update/Program.cs b/src/Update/Program.cs
index 320e0cc94..3f1ae5512 100644
--- a/src/Update/Program.cs
+++ b/src/Update/Program.cs
@@ -134,6 +134,7 @@ int executeCommandLine(string[] args)
                     { "no-msi", "Don't generate an MSI package", v => noMsi = true},
                     { "no-delta", "Don't generate delta packages to save time", v => noDelta = true},
                     { "framework-version=", "Set the required .NET framework version, e.g. net461", v => frameworkVersion = v },
+                    { "logLevel=", "Set the log level (Debug, Info, Warn, Error, Fatal).", SetLogLevel }
                 };
 
                 opts.Parse(args);
@@ -192,6 +193,13 @@ int executeCommandLine(string[] args)
             return 0;
         }
 
+        private void SetLogLevel(string value)
+        {
+            if(Enum.TryParse<LogLevel>(value, ignoreCase: true, result: out var logLevel)) {
+                this.Log().Level = logLevel;
+            }
+        }
+
         public async Task Install(bool silentInstall, ProgressSource progressSource, string sourceDirectory = null)
         {
             sourceDirectory = sourceDirectory ?? Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
diff --git a/src/Update/Update.csproj b/src/Update/Update.csproj
index bc4732f42..788bdab97 100644
--- a/src/Update/Update.csproj
+++ b/src/Update/Update.csproj
@@ -39,13 +39,13 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="DeltaCompressionDotNet">
-      <HintPath>..\..\packages\DeltaCompressionDotNet.1.1.0\lib\net20\DeltaCompressionDotNet.dll</HintPath>
+      <HintPath>..\..\packages\DeltaCompressionDotNet.1.1.0\lib\net45\DeltaCompressionDotNet.dll</HintPath>
     </Reference>
     <Reference Include="DeltaCompressionDotNet.MsDelta">
-      <HintPath>..\..\packages\DeltaCompressionDotNet.1.1.0\lib\net20\DeltaCompressionDotNet.MsDelta.dll</HintPath>
+      <HintPath>..\..\packages\DeltaCompressionDotNet.1.1.0\lib\net45\DeltaCompressionDotNet.MsDelta.dll</HintPath>
     </Reference>
     <Reference Include="DeltaCompressionDotNet.PatchApi">
-      <HintPath>..\..\packages\DeltaCompressionDotNet.1.1.0\lib\net20\DeltaCompressionDotNet.PatchApi.dll</HintPath>
+      <HintPath>..\..\packages\DeltaCompressionDotNet.1.1.0\lib\net45\DeltaCompressionDotNet.PatchApi.dll</HintPath>
     </Reference>
     <Reference Include="Microsoft.Web.XmlTransform">
       <HintPath>..\..\packages\Microsoft.Web.Xdt.2.1.1\lib\net40\Microsoft.Web.XmlTransform.dll</HintPath>