diff --git a/src/Refitter.SourceGenerator.Tests/Refitter.SourceGenerator.Tests.csproj b/src/Refitter.SourceGenerator.Tests/Refitter.SourceGenerator.Tests.csproj
index 2b94af84..9bdf92bd 100644
--- a/src/Refitter.SourceGenerator.Tests/Refitter.SourceGenerator.Tests.csproj
+++ b/src/Refitter.SourceGenerator.Tests/Refitter.SourceGenerator.Tests.csproj
@@ -9,7 +9,7 @@
     <ItemGroup>
         <PackageReference Include="Microsoft.Extensions.Http.Resilience" Version="9.1.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
-        <PackageReference Include="FluentAssertions" Version="8.0.0" />
+        <PackageReference Include="FluentAssertions" Version="7.0.0" />
         <PackageReference Include="xunit" Version="2.9.3" />
         <PackageReference Include="xunit.runner.visualstudio" Version="3.0.1">
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>