diff --git a/code/InboxNotifier.csproj b/code/InboxNotifier.csproj
index 3a58ad8..c627fc9 100644
--- a/code/InboxNotifier.csproj
+++ b/code/InboxNotifier.csproj
@@ -227,7 +227,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Google.Apis.Gmail.v1">
-      <Version>1.64.0.3287</Version>
+      <Version>1.66.0.3287</Version>
     </PackageReference>
     <PackageReference Include="HtmlAgilityPack">
       <Version>1.11.57</Version>