diff --git a/test/SuperSocket.Tests/SuperSocket.Tests.csproj b/test/SuperSocket.Tests/SuperSocket.Tests.csproj
index 71e4df201..d6e4bb532 100755
--- a/test/SuperSocket.Tests/SuperSocket.Tests.csproj
+++ b/test/SuperSocket.Tests/SuperSocket.Tests.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net8.0</TargetFrameworks>
+    <TargetFrameworks>net9.0</TargetFrameworks>
     <OutputType>Exe</OutputType>
     <DebugType>portable</DebugType>
     <IsPackable>false</IsPackable>