diff --git a/StrongGuid/StrongGuid.csproj b/StrongGuid/StrongGuid.csproj
index bcc6c74..1b8bff8 100644
--- a/StrongGuid/StrongGuid.csproj
+++ b/StrongGuid/StrongGuid.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Graph" Version="6.5.0" />
+    <PackageReference Include="Microsoft.Graph" Version="6.6.0" />
     <PackageReference Include="StrongIdAnalyzer" Version="1.4.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>