diff --git a/NHSISL.LibPostalClient.Tests.Acceptance/NHSISL.LibPostalClient.Tests.Acceptance.csproj b/NHSISL.LibPostalClient.Tests.Acceptance/NHSISL.LibPostalClient.Tests.Acceptance.csproj
index 4fd7ac8..baeec0d 100644
--- a/NHSISL.LibPostalClient.Tests.Acceptance/NHSISL.LibPostalClient.Tests.Acceptance.csproj
+++ b/NHSISL.LibPostalClient.Tests.Acceptance/NHSISL.LibPostalClient.Tests.Acceptance.csproj
@@ -24,7 +24,7 @@
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 		<PackageReference Include="xunit.v3" Version="3.2.2" />
-		<PackageReference Include="xunit.analyzers" Version="1.27.0">
+		<PackageReference Include="xunit.analyzers" Version="2.0.0">
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diff --git a/NHSISL.LibPostalClient.Tests.Unit/NHSISL.LibPostalClient.Tests.Unit.csproj b/NHSISL.LibPostalClient.Tests.Unit/NHSISL.LibPostalClient.Tests.Unit.csproj
index 340f5c3..53d780e 100644
--- a/NHSISL.LibPostalClient.Tests.Unit/NHSISL.LibPostalClient.Tests.Unit.csproj
+++ b/NHSISL.LibPostalClient.Tests.Unit/NHSISL.LibPostalClient.Tests.Unit.csproj
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