diff --git a/src/FluentEmail.Graph/FluentEmail.Graph.csproj b/src/FluentEmail.Graph/FluentEmail.Graph.csproj
index 50bf36d..fc4353f 100644
--- a/src/FluentEmail.Graph/FluentEmail.Graph.csproj
+++ b/src/FluentEmail.Graph/FluentEmail.Graph.csproj
@@ -41,7 +41,7 @@
     <PackageReference Include="JetBrains.Annotations" Version="2021.3.0">
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.Graph" Version="4.12.0" />
+    <PackageReference Include="Microsoft.Graph" Version="4.15.0" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>