diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index a8d7f420c02..38e0b63d4b2 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: windows-latest
     env:
       SyncfusionLicenseKey: ${{ secrets.SyncfusionLicenseKey }}
-      NET_TFM: net6.0-windows10.0.22000.0
+      NET_TFM: net7.0-windows
       Configuration: Release
 
     steps:
@@ -22,7 +22,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v3
       with:
-        dotnet-version: 6.0.x
+        dotnet-version: 7.0.x
 
     - name: Setup NuGet Private Sources
       shell: pwsh
diff --git a/build.ps1 b/build.ps1
index 8f646bba981..2825aff36f5 100644
--- a/build.ps1
+++ b/build.ps1
@@ -5,7 +5,7 @@ Write-Host 'dotnet SDK info'
 dotnet --info
 
 $exe = 'ShadowsocksR.exe'
-$net_tfm = 'net6.0-windows10.0.22000.0'
+$net_tfm = 'net7.0-windows'
 $configuration = 'Release'
 $output_dir = "$PSScriptRoot\shadowsocks-csharp\bin\$configuration"
 $proj_path = "$PSScriptRoot\shadowsocks-csharp\shadowsocksr.csproj"