diff --git a/EulerLibTests/EulerLibTests.csproj b/EulerLibTests/EulerLibTests.csproj
index c87b044..52cb878 100644
--- a/EulerLibTests/EulerLibTests.csproj
+++ b/EulerLibTests/EulerLibTests.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="AutoFixture" Version="4.18.1" />
-    <PackageReference Include="FluentAssertions" Version="8.8.0" />
+    <PackageReference Include="FluentAssertions" Version="8.9.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">