diff --git a/plist-cil.benchmark/plist-cil.benchmark.csproj b/plist-cil.benchmark/plist-cil.benchmark.csproj
index 37bbe2f..b54d894 100644
--- a/plist-cil.benchmark/plist-cil.benchmark.csproj
+++ b/plist-cil.benchmark/plist-cil.benchmark.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <RootNamespace>Claunia.PropertyList.Benchmark</RootNamespace>
   </PropertyGroup>
 
diff --git a/plist-cil.test/plist-cil.test.csproj b/plist-cil.test/plist-cil.test.csproj
index 4e80175..4037bc1 100644
--- a/plist-cil.test/plist-cil.test.csproj
+++ b/plist-cil.test/plist-cil.test.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/plist-cil/plist-cil.csproj b/plist-cil/plist-cil.csproj
index 9bfb0ea..fa8347b 100644
--- a/plist-cil/plist-cil.csproj
+++ b/plist-cil/plist-cil.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net6.0;net8.0;net9.0</TargetFrameworks>
     <VersionPrefix>2.2</VersionPrefix>
     <Authors>Natalia Portillo</Authors>
     <Company>Claunia.com</Company>