diff --git a/samples/Directory.Packages.props b/samples/Directory.Packages.props
index 02713c2..31e4f42 100644
--- a/samples/Directory.Packages.props
+++ b/samples/Directory.Packages.props
@@ -4,6 +4,6 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageVersion Include="NodaTime" Version="3.1.8"/>
-    <PackageVersion Include="NodaTime.Testing" Version="3.1.6"/>
+    <PackageVersion Include="NodaTime.Testing" Version="3.1.8"/>
   </ItemGroup>
 </Project>
\ No newline at end of file