diff --git a/examples/Metrics/test/HelloWorld.Test/HelloWorld.Tests.csproj b/examples/Metrics/test/HelloWorld.Test/HelloWorld.Tests.csproj
index d44fd3c1..e683f8c3 100644
--- a/examples/Metrics/test/HelloWorld.Test/HelloWorld.Tests.csproj
+++ b/examples/Metrics/test/HelloWorld.Test/HelloWorld.Tests.csproj
@@ -8,7 +8,7 @@
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 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.1" />
-		<PackageReference Include="NSubstitute" Version="5.0.0" />
+		<PackageReference Include="NSubstitute" Version="5.1.0" />
 		<PackageReference Include="xunit" Version="2.5.0" />
 		<PackageReference Include="xunit.runner.visualstudio" Version="2.5.0">
 		  <PrivateAssets>all</PrivateAssets>