diff --git a/test/Microsoft.OpenApi.Readers.Tests/Microsoft.OpenApi.Readers.Tests.csproj b/test/Microsoft.OpenApi.Readers.Tests/Microsoft.OpenApi.Readers.Tests.csproj
index 02033b3d2..7769822da 100644
--- a/test/Microsoft.OpenApi.Readers.Tests/Microsoft.OpenApi.Readers.Tests.csproj
+++ b/test/Microsoft.OpenApi.Readers.Tests/Microsoft.OpenApi.Readers.Tests.csproj
@@ -18,7 +18,7 @@
         <PackageReference Include="coverlet.collector" Version="6.0.3" PrivateAssets="all" />
         <PackageReference Include="coverlet.msbuild" Version="6.0.3" PrivateAssets="all" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
-        <PackageReference Include="FluentAssertions" Version="7.0.0" />
+        <PackageReference Include="FluentAssertions" Version="8.0.0" />
         <PackageReference Include="SharpYaml" Version="2.1.1" />
         <PackageReference Include="xunit" Version="2.9.3" />
         <PackageReference Include="xunit.runner.visualstudio" Version="3.0.1" PrivateAssets="all" />
diff --git a/test/Microsoft.OpenApi.Tests/Microsoft.OpenApi.Tests.csproj b/test/Microsoft.OpenApi.Tests/Microsoft.OpenApi.Tests.csproj
index 7c596c34f..d77ff7484 100644
--- a/test/Microsoft.OpenApi.Tests/Microsoft.OpenApi.Tests.csproj
+++ b/test/Microsoft.OpenApi.Tests/Microsoft.OpenApi.Tests.csproj
@@ -10,7 +10,7 @@
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.3" PrivateAssets="all" />
     <PackageReference Include="coverlet.msbuild" Version="6.0.3" PrivateAssets="all" />
-    <PackageReference Include="FluentAssertions" Version="7.0.0" />
+    <PackageReference Include="FluentAssertions" Version="8.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="SharpYaml" Version="2.1.1" />