diff --git a/tests/MailserSend.UnitTests/MailserSend.UnitTests.csproj b/tests/MailserSend.UnitTests/MailserSend.UnitTests.csproj
index 8eb8f78..4c340b6 100644
--- a/tests/MailserSend.UnitTests/MailserSend.UnitTests.csproj
+++ b/tests/MailserSend.UnitTests/MailserSend.UnitTests.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="FluentAssertions" Version="[7.1.0]" />
+    <PackageReference Include="FluentAssertions" Version="[8.7.1]" />
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="9.0.6" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
     <PackageReference Include="xunit" Version="2.9.3" />