diff --git a/Shadowsocks.Tests/Shadowsocks.Tests.csproj b/Shadowsocks.Tests/Shadowsocks.Tests.csproj
index aa014c191..11093e9df 100644
--- a/Shadowsocks.Tests/Shadowsocks.Tests.csproj
+++ b/Shadowsocks.Tests/Shadowsocks.Tests.csproj
@@ -10,7 +10,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
-    <PackageReference Include="xunit" Version="2.5.0" />
+    <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
diff --git a/Shadowsocks.WPF.Tests/Shadowsocks.WPF.Tests.csproj b/Shadowsocks.WPF.Tests/Shadowsocks.WPF.Tests.csproj
index 80526e9f2..d76858954 100644
--- a/Shadowsocks.WPF.Tests/Shadowsocks.WPF.Tests.csproj
+++ b/Shadowsocks.WPF.Tests/Shadowsocks.WPF.Tests.csproj
@@ -10,7 +10,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
-    <PackageReference Include="xunit" Version="2.5.0" />
+    <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
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