diff --git a/src/CSnakes.Tests/CSnakes.Tests.csproj b/src/CSnakes.Tests/CSnakes.Tests.csproj
index 4ddea4f2..66bbf135 100644
--- a/src/CSnakes.Tests/CSnakes.Tests.csproj
+++ b/src/CSnakes.Tests/CSnakes.Tests.csproj
@@ -14,6 +14,7 @@
     <PackageReference Include="coverlet.collector" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" />
     <PackageReference Include="Shouldly" />
+    <PackageReference Include="Superpower" />
     <PackageReference Include="System.Net.Http" />
     <PackageReference Include="System.Text.RegularExpressions" />
     <PackageReference Include="xunit" />