diff --git a/tests/Markdown.ColorCode.UnitTests/Markdown.ColorCode.UnitTests.csproj b/tests/Markdown.ColorCode.UnitTests/Markdown.ColorCode.UnitTests.csproj
index 8c31616..44ef472 100644
--- a/tests/Markdown.ColorCode.UnitTests/Markdown.ColorCode.UnitTests.csproj
+++ b/tests/Markdown.ColorCode.UnitTests/Markdown.ColorCode.UnitTests.csproj
@@ -17,7 +17,7 @@
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+    <PackageReference Include="FluentAssertions" Version="8.3.0" />
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