diff --git a/PreMailer.Net/PreMailer.Net.Tests/PreMailer.Net.Tests.csproj b/PreMailer.Net/PreMailer.Net.Tests/PreMailer.Net.Tests.csproj
index da98021..7634ed2 100644
--- a/PreMailer.Net/PreMailer.Net.Tests/PreMailer.Net.Tests.csproj
+++ b/PreMailer.Net/PreMailer.Net.Tests/PreMailer.Net.Tests.csproj
@@ -9,7 +9,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <PackageReference Include="Moq" Version="4.20.70" />
-    <PackageReference Include="xunit" Version="2.6.5" />
+    <PackageReference Include="xunit" Version="2.6.6" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6" />
     <PackageReference Include="coverlet.collector" Version="6.0.0" />
   </ItemGroup>