diff --git a/src/ReactiveMarbles.Command.Tests/ReactiveMarbles.Command.Tests.csproj b/src/ReactiveMarbles.Command.Tests/ReactiveMarbles.Command.Tests.csproj
index b82f512..ac8ed46 100644
--- a/src/ReactiveMarbles.Command.Tests/ReactiveMarbles.Command.Tests.csproj
+++ b/src/ReactiveMarbles.Command.Tests/ReactiveMarbles.Command.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net6.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <Nullable>enable</Nullable>
         <IsPackable>false</IsPackable>
     </PropertyGroup>
diff --git a/src/ReactiveMarbles.Command/ReactiveMarbles.Command.csproj b/src/ReactiveMarbles.Command/ReactiveMarbles.Command.csproj
index 61b8419..5ac9e66 100644
--- a/src/ReactiveMarbles.Command/ReactiveMarbles.Command.csproj
+++ b/src/ReactiveMarbles.Command/ReactiveMarbles.Command.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>netstandard2.0;net6.0;net7.0</TargetFrameworks>
+        <TargetFrameworks>netstandard2.0;net8.0;net9.0</TargetFrameworks>
         <Nullable>enable</Nullable>
         <LangVersion>latest</LangVersion>
     </PropertyGroup>