diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index 31a90f1af..27b179ff3 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -14,10 +14,10 @@ jobs:
             - name: Setup .NET Core
               uses: actions/setup-dotnet@v1
               with:
-                dotnet-version: 7.0.201
+                dotnet-version: '8.0.x'
             - name: Set env
               run: echo "DOTNET_CLI_TELEMETRY_OPTOUT=1" >> $GITHUB_ENV
             - name: Run benchmark
               run: |
                 cd test/SuperSocket.Benchmarks
-                dotnet run -c Release --filter '*' -f net7.0
\ No newline at end of file
+                dotnet run -c Release --filter '*' -f net8.0
\ No newline at end of file
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1cce14548..11d616e00 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -17,9 +17,9 @@ jobs:
         steps:
             - uses: actions/checkout@v1
             - name: Setup .NET Core
-              uses: actions/setup-dotnet@v1
+              uses: actions/setup-dotnet@v3
               with:
-                dotnet-version: 7.0.201
+                dotnet-version: '8.0.x'
             - name: Set env
               run: |
                 echo "DOTNET_CLI_TELEMETRY_OPTOUT=1" >> $GITHUB_ENV
diff --git a/.github/workflows/myget.yml b/.github/workflows/myget.yml
index f38125835..3e003558a 100644
--- a/.github/workflows/myget.yml
+++ b/.github/workflows/myget.yml
@@ -11,9 +11,9 @@ jobs:
         steps:
             - uses: actions/checkout@v1
             - name: Setup .NET Core
-              uses: actions/setup-dotnet@v1
+              uses: actions/setup-dotnet@v3
               with:
-                dotnet-version: 7.0.201
+                dotnet-version: '8.0.x'
             - name: Set env
               run: echo "DOTNET_CLI_TELEMETRY_OPTOUT=1" >> $GITHUB_ENV
             - uses: dotnet/nbgv@master
diff --git a/.github/workflows/myget_release.yml b/.github/workflows/myget_release.yml
index b74eaec56..e0a484739 100644
--- a/.github/workflows/myget_release.yml
+++ b/.github/workflows/myget_release.yml
@@ -6,9 +6,9 @@ jobs:
         steps:
             - uses: actions/checkout@v1
             - name: Setup .NET Core
-              uses: actions/setup-dotnet@v1
+              uses: actions/setup-dotnet@v3
               with:
-                dotnet-version: 7.0.201
+                dotnet-version: '8.0.x'
             - name: Set env
               run: echo "DOTNET_CLI_TELEMETRY_OPTOUT=1" >> $GITHUB_ENV
             - uses: dotnet/nbgv@master
diff --git a/Directory.Build.props b/Directory.Build.props
index f1d4eb19b..a7619475a 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -2,7 +2,7 @@
   <Import Project="Dependencies.props" />
   <PropertyGroup>
     <LangVersion>8.0</LangVersion>
-    <TargetFrameworks>netstandard2.1;net5.0;net6.0;net7.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.1;net5.0;net6.0;net7.0;net8.0</TargetFrameworks>
     <SamplesTargetFrameworks>net7.0</SamplesTargetFrameworks>
   </PropertyGroup>
   <PropertyGroup>