diff --git a/tests/MyNihongo.Expressions.Tests/MyNihongo.Expressions.Tests.csproj b/tests/MyNihongo.Expressions.Tests/MyNihongo.Expressions.Tests.csproj
index 065480e..6b07a88 100644
--- a/tests/MyNihongo.Expressions.Tests/MyNihongo.Expressions.Tests.csproj
+++ b/tests/MyNihongo.Expressions.Tests/MyNihongo.Expressions.Tests.csproj
@@ -9,7 +9,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="FluentAssertions" Version="6.9.0" />
+		<PackageReference Include="FluentAssertions" Version="6.11.0" />
 		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
 		<PackageReference Include="xunit" Version="2.4.2" />
 		<PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">