diff --git a/BurnOutSharp/BurnOutSharp.csproj b/BurnOutSharp/BurnOutSharp.csproj
index 659fdad5..ea3fce3b 100644
--- a/BurnOutSharp/BurnOutSharp.csproj
+++ b/BurnOutSharp/BurnOutSharp.csproj
@@ -21,15 +21,18 @@
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
+  
+  <PropertyGroup Condition="'$(TargetFramework)'!='netcoreapp3.1'">
+    <DefineConstants>NET_FRAMEWORK</DefineConstants>
+  </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="LessIO" Version="0.6.16" />
-    <PackageReference Include="libmspack4n" Version="0.9.10" />
+    <PackageReference Include="LessIO" Version="1.0.34" Condition="'$(TargetFramework)'!='netcoreapp3.1'" />
+    <PackageReference Include="libmspack4n" Version="0.9.10" Condition="'$(TargetFramework)'!='netcoreapp3.1'" />
     <PackageReference Include="SharpCompress" Version="0.26.0" />
     <PackageReference Include="UnshieldSharp" Version="1.4.2.3" />
     <PackageReference Include="WiseUnpacker" Version="1.0.1" />
-    <PackageReference Include="wix-libs" Version="3.11.1" />
-    <PackageReference Include="zlib.net" Version="1.0.4" />
+    <PackageReference Include="wix-libs" Version="3.11.1" Condition="'$(TargetFramework)'!='netcoreapp3.1'" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/BurnOutSharp/FileType/MSI.cs b/BurnOutSharp/FileType/MSI.cs
index 9c5f6738..1a690dbb 100644
--- a/BurnOutSharp/FileType/MSI.cs
+++ b/BurnOutSharp/FileType/MSI.cs
@@ -1,7 +1,9 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+#if NET_FRAMEWORK
 using Microsoft.Deployment.WindowsInstaller;
+#endif
 
 namespace BurnOutSharp.FileType
 {
@@ -9,8 +11,10 @@ namespace BurnOutSharp.FileType
     {
         public static bool ShouldScan(byte[] magic)
         {
+#if NET_FRAMEWORK
             if (magic.StartsWith(new byte[] { 0xD0, 0xCF, 0x11, 0xE0, 0xA1, 0xB1, 0x1A, 0xE1 }))
                 return true;
+#endif
 
             return false;
         }
@@ -18,6 +22,7 @@ namespace BurnOutSharp.FileType
         // TODO: Add stream opening support
         public static Dictionary<string, List<string>> Scan(Scanner scanner, string file)
         {
+#if NET_FRAMEWORK
             // If the MSI file itself fails
             try
             {
@@ -45,6 +50,7 @@ namespace BurnOutSharp.FileType
                 return protections;
             }
             catch { }
+#endif
 
             return null;
         }
diff --git a/BurnOutSharp/FileType/MicrosoftCAB.cs b/BurnOutSharp/FileType/MicrosoftCAB.cs
index 932ff599..f0cdb230 100644
--- a/BurnOutSharp/FileType/MicrosoftCAB.cs
+++ b/BurnOutSharp/FileType/MicrosoftCAB.cs
@@ -1,7 +1,9 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+#if NET_FRAMEWORK
 using LibMSPackN;
+#endif
 
 namespace BurnOutSharp.FileType
 {
@@ -9,8 +11,10 @@ namespace BurnOutSharp.FileType
     {
         public static bool ShouldScan(byte[] magic)
         {
+#if NET_FRAMEWORK
             if (magic.StartsWith(new byte[] { 0x4d, 0x53, 0x43, 0x46 }))
                 return true;
+#endif
 
             return false;
         }
@@ -18,6 +22,7 @@ namespace BurnOutSharp.FileType
         // TODO: Add stream opening support
         public static Dictionary<string, List<string>> Scan(Scanner scanner, string file)
         {
+#if NET_FRAMEWORK
             // If the cab file itself fails
             try
             {
@@ -54,7 +59,7 @@ namespace BurnOutSharp.FileType
                 return protections;
             }
             catch { }
-
+#endif
             return null;
         }
     }