diff --git a/tests/FluentEmail.Graph.Tests/FluentEmail.Graph.Tests.csproj b/tests/FluentEmail.Graph.Tests/FluentEmail.Graph.Tests.csproj
index f8f45ba..88387dc 100644
--- a/tests/FluentEmail.Graph.Tests/FluentEmail.Graph.Tests.csproj
+++ b/tests/FluentEmail.Graph.Tests/FluentEmail.Graph.Tests.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="FluentAssertions" Version="6.3.0" />
+    <PackageReference Include="FluentAssertions" Version="6.4.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="2.2.8" />
     <PackageReference Include="MSTest.TestFramework" Version="2.2.8" />