diff --git a/tests/Yoh.Text.Json.NamingPolicies.Tests.csproj b/tests/Yoh.Text.Json.NamingPolicies.Tests.csproj
index 9640c5b..a2a7ab6 100644
--- a/tests/Yoh.Text.Json.NamingPolicies.Tests.csproj
+++ b/tests/Yoh.Text.Json.NamingPolicies.Tests.csproj
@@ -7,8 +7,8 @@
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-    <PackageReference Include="xunit" Version="2.8.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.0">
+    <PackageReference Include="xunit" Version="2.8.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.1">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
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