diff --git a/src/Todl.Compiler.Tests/Todl.Compiler.Tests.csproj b/src/Todl.Compiler.Tests/Todl.Compiler.Tests.csproj
index 224a0a4..69b8e14 100644
--- a/src/Todl.Compiler.Tests/Todl.Compiler.Tests.csproj
+++ b/src/Todl.Compiler.Tests/Todl.Compiler.Tests.csproj
@@ -8,7 +8,7 @@
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+    <PackageReference Include="FluentAssertions" Version="8.8.0" />
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