diff --git a/CHANGELOG.md b/CHANGELOG.md
index 085161e3..a17a987d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ## [Unreleased]
 ### Changed
 - [Ruby] Minimum ruby version is now bumped from `3.1` to `3.2`
+- [.Net] Replace assertion library FluentAssertions with AwesomeAssertions
 
 ## [29.2.2] - 2026-05-11
 ### Fixed
diff --git a/dotnet/Cucumber.CCK.Tests/Cucumber.CCK.Tests.csproj b/dotnet/Cucumber.CCK.Tests/Cucumber.CCK.Tests.csproj
index 191eecff..1191bb50 100644
--- a/dotnet/Cucumber.CCK.Tests/Cucumber.CCK.Tests.csproj
+++ b/dotnet/Cucumber.CCK.Tests/Cucumber.CCK.Tests.csproj
@@ -7,13 +7,13 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="AwesomeAssertions" Version="9.4.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.6.0" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="FluentAssertions" Version="7.2.2" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/dotnet/Cucumber.CCK.Tests/SamplesTests.cs b/dotnet/Cucumber.CCK.Tests/SamplesTests.cs
index ac20a96f..4fac8123 100644
--- a/dotnet/Cucumber.CCK.Tests/SamplesTests.cs
+++ b/dotnet/Cucumber.CCK.Tests/SamplesTests.cs
@@ -1,6 +1,6 @@
 using System;
 using System.IO;
-using FluentAssertions;
+using AwesomeAssertions;
 using Xunit;
 
 namespace Cucumber.CCK.Tests;