diff --git a/firely-validator-api-tests.props b/firely-validator-api-tests.props
index 422b13dd..1a2c8f02 100644
--- a/firely-validator-api-tests.props
+++ b/firely-validator-api-tests.props
@@ -21,7 +21,7 @@
 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
 		<PackageReference Include="MSTest.TestAdapter" Version="3.1.1" />
 		<PackageReference Include="MSTest.TestFramework" Version="3.1.1" />
-		<PackageReference Include="xunit" Version="2.6.5" />
+		<PackageReference Include="xunit" Version="2.6.6" />
 		<PackageReference Include="xunit.runner.visualstudio" Version="2.5.6">
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 			<PrivateAssets>all</PrivateAssets>