diff --git a/Dotnet.Samples.AspNetCore.WebApi.Tests/Dotnet.Samples.AspNetCore.WebApi.Tests.csproj b/Dotnet.Samples.AspNetCore.WebApi.Tests/Dotnet.Samples.AspNetCore.WebApi.Tests.csproj
index af1bde7..e75cb2f 100644
--- a/Dotnet.Samples.AspNetCore.WebApi.Tests/Dotnet.Samples.AspNetCore.WebApi.Tests.csproj
+++ b/Dotnet.Samples.AspNetCore.WebApi.Tests/Dotnet.Samples.AspNetCore.WebApi.Tests.csproj
@@ -15,7 +15,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="FluentAssertions" Version="8.0.1" />
+    <PackageReference Include="FluentAssertions" Version="8.1.1" />
     <PackageReference Include="Moq" Version="4.20.72" />
   </ItemGroup>
 
diff --git a/Dotnet.Samples.AspNetCore.WebApi.Tests/packages.lock.json b/Dotnet.Samples.AspNetCore.WebApi.Tests/packages.lock.json
index 7d8f644..a260a0d 100644
--- a/Dotnet.Samples.AspNetCore.WebApi.Tests/packages.lock.json
+++ b/Dotnet.Samples.AspNetCore.WebApi.Tests/packages.lock.json
@@ -4,9 +4,9 @@
     "net8.0": {
       "FluentAssertions": {
         "type": "Direct",
-        "requested": "[8.0.1, )",
-        "resolved": "8.0.1",
-        "contentHash": "IW5CdXiD4BIijMkJsEajhkQr7HSgzoxZBHp77b4tm8isCKGaDH2AGugW6DLS0/EPhO/MCZ2JOGg6ObdlKISJMg=="
+        "requested": "[8.1.1, )",
+        "resolved": "8.1.1",
+        "contentHash": "tzrZ95x7TWY4panvAhVoHg5zIhg4768Cx+8ZPoKR2sDPu2oCvVeg3ts0TTL0aJlIfZ1NGxCtBP5s555AgXJozg=="
       },
       "Microsoft.NET.Test.Sdk": {
         "type": "Direct",