diff --git a/src/Punchclock.Tests/Punchclock.Tests.csproj b/src/Punchclock.Tests/Punchclock.Tests.csproj
index da90d06..b13a339 100644
--- a/src/Punchclock.Tests/Punchclock.Tests.csproj
+++ b/src/Punchclock.Tests/Punchclock.Tests.csproj
@@ -15,7 +15,7 @@
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-		<PackageReference Include="DiffEngine" Version="16.2.3" />
+		<PackageReference Include="DiffEngine" Version="16.8.0" />
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