diff --git a/QsNet.Tests/QsNet.Tests.csproj b/QsNet.Tests/QsNet.Tests.csproj
index 69407a2..e3aafa2 100644
--- a/QsNet.Tests/QsNet.Tests.csproj
+++ b/QsNet.Tests/QsNet.Tests.csproj
@@ -5,7 +5,7 @@
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     <ItemGroup>
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+        <PackageReference Include="FluentAssertions" Version="8.9.0"/>
         <PackageReference Include="JetBrains.Annotations" Version="2025.2.4"/>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0"/>
         <PackageReference Include="xunit" Version="2.9.3"/>