diff --git a/Tests/PorphyStruct.CLI.Tests/PorphyStruct.CLI.Tests.csproj b/Tests/PorphyStruct.CLI.Tests/PorphyStruct.CLI.Tests.csproj
index 2c55589..ab5d6a8 100644
--- a/Tests/PorphyStruct.CLI.Tests/PorphyStruct.CLI.Tests.csproj
+++ b/Tests/PorphyStruct.CLI.Tests/PorphyStruct.CLI.Tests.csproj
@@ -10,7 +10,7 @@
     <ItemGroup>
         <PackageReference Include="CommandDotNet" Version="7.0.5" />
         <PackageReference Include="CommandDotNet.TestTools" Version="6.0.2" />
-        <PackageReference Include="FluentAssertions" Version="6.10.0" />
+        <PackageReference Include="FluentAssertions" Version="8.8.0" />
         <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">
diff --git a/Tests/PorphyStruct.Core.Tests/PorphyStruct.Core.Tests.csproj b/Tests/PorphyStruct.Core.Tests/PorphyStruct.Core.Tests.csproj
index 1d635a2..cefae11 100644
--- a/Tests/PorphyStruct.Core.Tests/PorphyStruct.Core.Tests.csproj
+++ b/Tests/PorphyStruct.Core.Tests/PorphyStruct.Core.Tests.csproj
@@ -7,7 +7,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="FluentAssertions" Version="6.10.0" />
+        <PackageReference Include="FluentAssertions" Version="8.8.0" />
         <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">