diff --git a/SystemExtensions.DependencyInjection.Tests/SystemExtensions.NetStandard.DependencyInjection.Tests.csproj b/SystemExtensions.DependencyInjection.Tests/SystemExtensions.NetStandard.DependencyInjection.Tests.csproj
index 267dfaa..4d26f95 100644
--- a/SystemExtensions.DependencyInjection.Tests/SystemExtensions.NetStandard.DependencyInjection.Tests.csproj
+++ b/SystemExtensions.DependencyInjection.Tests/SystemExtensions.NetStandard.DependencyInjection.Tests.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="FluentAssertions" Version="6.7.0" />
+    <PackageReference Include="FluentAssertions" Version="6.9.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.2" />
     <PackageReference Include="Moq" Version="4.18.2" />
     <PackageReference Include="MSTest.TestAdapter" Version="2.2.10" />
diff --git a/SystemExtensions.NetStandard.Security.Tests/SystemExtensions.NetStandard.Security.Tests.csproj b/SystemExtensions.NetStandard.Security.Tests/SystemExtensions.NetStandard.Security.Tests.csproj
index bca641c..170624b 100644
--- a/SystemExtensions.NetStandard.Security.Tests/SystemExtensions.NetStandard.Security.Tests.csproj
+++ b/SystemExtensions.NetStandard.Security.Tests/SystemExtensions.NetStandard.Security.Tests.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="FluentAssertions" Version="6.7.0" />
+    <PackageReference Include="FluentAssertions" Version="6.9.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.2" />
     <PackageReference Include="MSTest.TestAdapter" Version="2.2.10" />
     <PackageReference Include="MSTest.TestFramework" Version="2.2.10" />
diff --git a/SystemExtensions.Tests/SystemExtensions.NetStandard.Tests.csproj b/SystemExtensions.Tests/SystemExtensions.NetStandard.Tests.csproj
index 99b76ca..9fd7a6c 100644
--- a/SystemExtensions.Tests/SystemExtensions.NetStandard.Tests.csproj
+++ b/SystemExtensions.Tests/SystemExtensions.NetStandard.Tests.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="FluentAssertions" Version="6.7.0" />
+    <PackageReference Include="FluentAssertions" Version="6.9.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.2" />
     <PackageReference Include="MSTest.TestAdapter" Version="2.2.10" />
     <PackageReference Include="MSTest.TestFramework" Version="2.2.10" />