diff --git a/test/NHSNumberValidator.Test/NHSNumberValidator.Test.csproj b/test/NHSNumberValidator.Test/NHSNumberValidator.Test.csproj
index 39cb4d8..6541e8d 100644
--- a/test/NHSNumberValidator.Test/NHSNumberValidator.Test.csproj
+++ b/test/NHSNumberValidator.Test/NHSNumberValidator.Test.csproj
@@ -15,7 +15,7 @@
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-        <PackageReference Include="xunit" Version="2.5.0" />
+        <PackageReference Include="xunit" Version="2.6.0" />
         <PackageReference Include="xunit.runner.visualstudio" Version="2.5.0">
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             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>