diff --git a/src/Tribufu.Configuration/Tribufu.Configuration.csproj b/src/Tribufu.Configuration/Tribufu.Configuration.csproj
index 4421707..1993547 100644
--- a/src/Tribufu.Configuration/Tribufu.Configuration.csproj
+++ b/src/Tribufu.Configuration/Tribufu.Configuration.csproj
@@ -9,7 +9,7 @@
         <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
         <IsPublishable>false</IsPublishable>
         <OutputType>Library</OutputType>
-        <TargetFrameworks>net6.0</TargetFrameworks>
+        <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
     </PropertyGroup>
     <ItemGroup>
         <None Include="README.md" Pack="true" PackagePath="\" />
diff --git a/src/Tribufu.Logging/Tribufu.Logging.csproj b/src/Tribufu.Logging/Tribufu.Logging.csproj
index 25a5843..fe7048e 100644
--- a/src/Tribufu.Logging/Tribufu.Logging.csproj
+++ b/src/Tribufu.Logging/Tribufu.Logging.csproj
@@ -9,7 +9,7 @@
         <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
         <IsPublishable>false</IsPublishable>
         <OutputType>Library</OutputType>
-        <TargetFrameworks>net5.0</TargetFrameworks>
+        <TargetFrameworks>netstandard2.0;net45;net5.0</TargetFrameworks>
     </PropertyGroup>
     <ItemGroup>
         <None Include="README.md" Pack="true" PackagePath="\" />
diff --git a/src/Tribufu.Runtime/Tribufu.Runtime.csproj b/src/Tribufu.Runtime/Tribufu.Runtime.csproj
index 8f0c233..b8e29b9 100644
--- a/src/Tribufu.Runtime/Tribufu.Runtime.csproj
+++ b/src/Tribufu.Runtime/Tribufu.Runtime.csproj
@@ -9,7 +9,7 @@
         <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
         <IsPublishable>false</IsPublishable>
         <OutputType>Library</OutputType>
-        <TargetFrameworks>net5.0</TargetFrameworks>
+        <TargetFrameworks>netstandard2.0;net5.0;net8.0</TargetFrameworks>
     </PropertyGroup>
     <ItemGroup>
         <None Include="README.md" Pack="true" PackagePath="\" />