diff --git a/MIG.HomeAutomation/MIG.HomeAutomation.csproj b/MIG.HomeAutomation/MIG.HomeAutomation.csproj
index c3a3dca..4d64941 100644
--- a/MIG.HomeAutomation/MIG.HomeAutomation.csproj
+++ b/MIG.HomeAutomation/MIG.HomeAutomation.csproj
@@ -13,6 +13,10 @@
     <TargetFrameworks>net472;net6.0</TargetFrameworks>
   </PropertyGroup>
 
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net472' ">
+    <PackageReference Include="SharpZipLib" Version="1.3.1" />
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Include="CM19Lib" Version="1.2.1" />
     <PackageReference Include="MIG" Version="1.2.3" />
diff --git a/MIG.HomeAutomation/ZWave/Pepper1Db.cs b/MIG.HomeAutomation/ZWave/Pepper1Db.cs
index f62358e..3d34c0a 100644
--- a/MIG.HomeAutomation/ZWave/Pepper1Db.cs
+++ b/MIG.HomeAutomation/ZWave/Pepper1Db.cs
@@ -3,6 +3,7 @@
 using System.IO;
 using System.Linq;
 using System.Net;
+using System.Text;
 using System.Xml.Linq;
 using System.Xml.XPath;
 using ICSharpCode.SharpZipLib.Core;
@@ -149,7 +150,11 @@ private static void ExtractZipFile(string archiveFilenameIn, string password, st
             {
                 FileStream fs = File.OpenRead(archiveFilenameIn);
                 zf = new ZipFile(fs);
+#if !NETCOREAPP                
+                ZipStrings.CodePage = Encoding.UTF8.CodePage;
+#else
                 zf.StringCodec = StringCodec.FromCodePage(System.Text.Encoding.UTF8.CodePage);
+#endif
                 if (!String.IsNullOrEmpty(password))
                 {
                     zf.Password = password;     // AES encrypted entries are handled automatically
diff --git a/MIG.HomeAutomation/nuget_pack.ps1 b/MIG.HomeAutomation/nuget_pack.ps1
index ec72532..3d39ad3 100644
--- a/MIG.HomeAutomation/nuget_pack.ps1
+++ b/MIG.HomeAutomation/nuget_pack.ps1
@@ -11,7 +11,7 @@ if (-not ([string]::IsNullOrEmpty($versionStr))) {
 
   $content | Out-File $root\$project\$project.csproj
 
-  & dotnet pack $root\$project -o .
+  & dotnet pack -c release $root\$project -o .
 }
 else {
   Write-Host "Version string is empty, possibly dry run or APPVEYOR_REPO_TAG_NAME environment variable is not set"