diff --git a/build/.vscode/launch.json b/build/.vscode/launch.json
index 999cbb1f..7167cccb 100644
--- a/build/.vscode/launch.json
+++ b/build/.vscode/launch.json
@@ -8,7 +8,7 @@
             "program": "dotnet",
             "args": [
               "exec", 
-              "/Users/bernhardrichter/.dotnet/tools/.store/dotnet-script/0.27.1/dotnet-script/0.27.1/tools/netcoreapp2.1/any/dotnet-script.dll"
+              "/Users/bernhardrichter/.dotnet/tools/.store/dotnet-script/0.28.0/dotnet-script/0.28.0/tools/netcoreapp2.1/any/dotnet-script.dll"
               "${file}"
             ],
             "cwd": "${workspaceRoot}",
diff --git a/build/LightInject.Source.nuspec b/build/LightInject.Source.nuspec
index d1f6a2cc..5ef882ee 100644
--- a/build/LightInject.Source.nuspec
+++ b/build/LightInject.Source.nuspec
@@ -12,12 +12,15 @@
         <releaseNotes>http://www.lightinject.net/#whatsnew</releaseNotes>
         <copyright>Bernhard Richter</copyright>
         <tags>Ioc Dependency-Injection Inversion-of-Control WinRT Windows-Runtime</tags>
-      <dependencies>
-        <group targetFramework=".NETFramework4.5" />
-        <group targetFramework=".NETFramework4.6" />                
-      </dependencies>
+         <contentFiles>
+            <files include="cs/netstandard2.0/LightInject.cs.pp" />
+            <files include="cs/netcoreapp2.0/LightInject.cs.pp" />
+            <files include="cs/net46/LightInject.cs.pp" />
+        </contentFiles>
     </metadata>
-    <files>        
-        <file src="content\net45\LightInject\LightInject.cs.pp" target="content\net45\LightInject.Interception\LightInject.cs.pp" />        
-    </files>    
+     <files>
+        <file src="contentFiles/cs/netstandard2.0/LightInject/LightInject.cs.pp"  target="contentFiles/cs/netstandard2.0/LightInject/LightInject.cs.pp" />
+        <file src="contentFiles/cs/netcoreapp2.0/LightInject/LightInject.cs.pp"  target="contentFiles/cs/netcoreapp2.0/LightInject/LightInject.cs.pp" />
+        <file src="contentFiles/cs/net46/LightInject/LightInject.cs.pp"  target="contentFiles/cs/net46/LightInject/LightInject.cs.pp" />
+  </files>
 </package>
diff --git a/build/build.csx b/build/build.csx
index c12c16ce..76cfe2c7 100644
--- a/build/build.csx
+++ b/build/build.csx
@@ -7,25 +7,26 @@ using static xUnit;
 using static DotNet;
 using static ChangeLog;
 using static ReleaseManagement;
+using System.Text.RegularExpressions;
 
 Build(projectFolder);
 Test(testProjectFolder);
-//AnalyzeCodeCoverage(pathToTestAssembly, $"+[{projectName}]*");
+AnalyzeCodeCoverage(pathToTestAssembly, $"+[{projectName}]*");
 Pack(projectFolder, nuGetArtifactsFolder, Git.Default.GetCurrentShortCommitHash());
 
-using(var sourceRepoFolder = new DisposableFolder())
+using (var sourceRepoFolder = new DisposableFolder())
 {
     string pathToSourceProjectFolder = Path.Combine(sourceRepoFolder.Path,"src","LightInject");
+    string pathToSourceFile = Path.Combine(pathToSourceProjectFolder, "LightInject.cs");
     Copy(repoFolder, sourceRepoFolder.Path, new [] {".vs", "obj"});
     Internalize(pathToSourceProjectFolder, exceptTheseTypes);
     DotNet.Build(Path.Combine(sourceRepoFolder.Path,"src","LightInject"));
     using(var nugetPackFolder = new DisposableFolder())
     {
-        var contentFolder = CreateDirectory(nugetPackFolder.Path, "content","net45", "LightInject");
         Copy("LightInject.Source.nuspec", nugetPackFolder.Path);
-        string pathToSourceFileTemplate = Path.Combine(contentFolder, "LightInject.cs.pp");
-        Copy(Path.Combine(pathToSourceProjectFolder, "LightInject.cs"), pathToSourceFileTemplate);
-        FileUtils.ReplaceInFile(@"namespace \S*", $"namespace $rootnamespace$.{projectName}", pathToSourceFileTemplate);
+        PrepareSourceFile(nugetPackFolder.Path, pathToSourceFile, "netcoreapp2.0");
+        PrepareSourceFile(nugetPackFolder.Path, pathToSourceFile, "netstandard2.0");
+        PrepareSourceFile(nugetPackFolder.Path, pathToSourceFile, "net46");
         NuGet.Pack(nugetPackFolder.Path, nuGetArtifactsFolder, version);
     }
 }
@@ -43,7 +44,7 @@ if (BuildEnvironment.IsSecure)
         }
     }
 
- private async Task CreateReleaseNotes()
+private async Task CreateReleaseNotes()
 {
     Logger.Log("Creating release notes");
     var generator = ChangeLogFrom(owner, projectName, BuildEnvironment.GitHubAccessToken).SinceLatestTag();
@@ -52,4 +53,16 @@ if (BuildEnvironment.IsSecure)
         generator = generator.IncludeUnreleased();
     }
     await generator.Generate(pathToReleaseNotes, FormattingOptions.Default.WithPullRequestBody());
+}
+
+private void PrepareSourceFile(string nugetPackFolder, string pathToSourceFile ,string targetFramework)
+{
+    var contentFolder = CreateDirectory(nugetPackFolder, "contentFiles", "cs", targetFramework, "LightInject");
+    string pathToSourceFileTemplate = Path.Combine(contentFolder, "LightInject.cs.pp");
+    Copy(pathToSourceFile, pathToSourceFileTemplate);
+    var frameworkConstant = targetFramework.ToUpper().Replace(".","_");
+    var lines = File.ReadAllLines(pathToSourceFileTemplate).ToList();
+    lines.Insert(0, $"#define {frameworkConstant}");
+    File.WriteAllLines(pathToSourceFileTemplate, lines);
+    FileUtils.ReplaceInFile(@"namespace \S*", $"namespace $rootnamespace$.{projectName}", pathToSourceFileTemplate);
 }
\ No newline at end of file
diff --git a/src/LightInject/LightInject.cs b/src/LightInject/LightInject.cs
index 1387f930..ca21e0f3 100644
--- a/src/LightInject/LightInject.cs
+++ b/src/LightInject/LightInject.cs
@@ -1,7 +1,7 @@
 /*********************************************************************************
     The MIT License (MIT)
 
-    Copyright (c) 2018 bernhard.richter@gmail.com
+    Copyright (c) 2019 bernhard.richter@gmail.com
 
     Permission is hereby granted, free of charge, to any person obtaining a copy
     of this software and associated documentation files (the "Software"), to deal
@@ -21,7 +21,7 @@ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     SOFTWARE.
 ******************************************************************************
-    LightInject version 5.3.0
+    LightInject version 5.4.0
     http://www.lightinject.net/
     http://twitter.com/bernhardrichter
 ******************************************************************************/
@@ -34,7 +34,6 @@ LightInject version 5.3.0
 [module: System.Diagnostics.CodeAnalysis.SuppressMessage("StyleCop.CSharp.MaintainabilityRules", "SA1401:FieldsMustBePrivate", Justification = "Performance")]
 [module: System.Diagnostics.CodeAnalysis.SuppressMessage("MaintainabilityRules", "SA1403", Justification = "One source file")]
 [module: System.Diagnostics.CodeAnalysis.SuppressMessage("DocumentationRules", "SA1649", Justification = "One source file")]
-
 namespace LightInject
 {
     using System;