diff --git a/examples/AspNetCore/OData/Directory.Build.props b/examples/AspNetCore/OData/Directory.Build.props
index 302bad37..0c6cf639 100644
--- a/examples/AspNetCore/OData/Directory.Build.props
+++ b/examples/AspNetCore/OData/Directory.Build.props
@@ -4,7 +4,7 @@
  <Import Project="$([MSBuild]::GetPathOfFileAbove('$(MSBuildThisFile)','$(MSBuildThisFileDirectory)../'))" />
 
  <ItemGroup>
-  <PackageReference Include="Microsoft.AspNetCore.OData" Version="8.2.3" />
+  <PackageReference Include="Microsoft.AspNetCore.OData" Version="9.2.1" />
  </ItemGroup>
 
 </Project>
\ No newline at end of file
diff --git a/src/AspNet/OData/src/Asp.Versioning.WebApi.OData.ApiExplorer/Conventions/ODataAttributeVisitor.cs b/src/AspNet/OData/src/Asp.Versioning.WebApi.OData.ApiExplorer/Conventions/ODataAttributeVisitor.cs
index 1c1a2f49..410f48ff 100644
--- a/src/AspNet/OData/src/Asp.Versioning.WebApi.OData.ApiExplorer/Conventions/ODataAttributeVisitor.cs
+++ b/src/AspNet/OData/src/Asp.Versioning.WebApi.OData.ApiExplorer/Conventions/ODataAttributeVisitor.cs
@@ -13,6 +13,6 @@ private void VisitAction( HttpActionDescriptor action )
         var attributes = new List<EnableQueryAttribute>( controller.GetCustomAttributes<EnableQueryAttribute>( inherit: true ) );
 
         attributes.AddRange( action.GetCustomAttributes<EnableQueryAttribute>( inherit: true ) );
-        VisitEnableQuery( attributes );
+        VisitEnableQuery( attributes.ToArray() );
     }
 }
\ No newline at end of file
diff --git a/src/AspNetCore/OData/src/Asp.Versioning.OData.ApiExplorer/Asp.Versioning.OData.ApiExplorer.csproj b/src/AspNetCore/OData/src/Asp.Versioning.OData.ApiExplorer/Asp.Versioning.OData.ApiExplorer.csproj
index c78ccdc9..a443fa16 100644
--- a/src/AspNetCore/OData/src/Asp.Versioning.OData.ApiExplorer/Asp.Versioning.OData.ApiExplorer.csproj
+++ b/src/AspNetCore/OData/src/Asp.Versioning.OData.ApiExplorer/Asp.Versioning.OData.ApiExplorer.csproj
@@ -1,8 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
  <PropertyGroup>
-  <VersionPrefix>8.1.0</VersionPrefix>
-  <AssemblyVersion>8.1.0.0</AssemblyVersion>
+  <VersionPrefix>8.2.0</VersionPrefix>
+  <AssemblyVersion>8.2.0.0</AssemblyVersion>
   <TargetFramework>$(DefaultTargetFramework)</TargetFramework>
   <RootNamespace>Asp.Versioning</RootNamespace>
   <AssemblyTitle>ASP.NET Core API Versioning API Explorer for OData v4.0</AssemblyTitle>
diff --git a/src/AspNetCore/OData/src/Asp.Versioning.OData.ApiExplorer/ReleaseNotes.txt b/src/AspNetCore/OData/src/Asp.Versioning.OData.ApiExplorer/ReleaseNotes.txt
index 5f282702..b5318606 100644
--- a/src/AspNetCore/OData/src/Asp.Versioning.OData.ApiExplorer/ReleaseNotes.txt
+++ b/src/AspNetCore/OData/src/Asp.Versioning.OData.ApiExplorer/ReleaseNotes.txt
@@ -1 +1 @@
-
\ No newline at end of file
+Support OData 9.0 ([#1103](https://github.com/dotnet/aspnet-api-versioning/issues/1103))
\ No newline at end of file
diff --git a/src/AspNetCore/OData/src/Asp.Versioning.OData/Asp.Versioning.OData.csproj b/src/AspNetCore/OData/src/Asp.Versioning.OData/Asp.Versioning.OData.csproj
index cec744b0..e69c80d7 100644
--- a/src/AspNetCore/OData/src/Asp.Versioning.OData/Asp.Versioning.OData.csproj
+++ b/src/AspNetCore/OData/src/Asp.Versioning.OData/Asp.Versioning.OData.csproj
@@ -1,8 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
  <PropertyGroup>
-  <VersionPrefix>8.1.0</VersionPrefix>
-  <AssemblyVersion>8.1.0.0</AssemblyVersion>
+  <VersionPrefix>8.2.0</VersionPrefix>
+  <AssemblyVersion>8.2.0.0</AssemblyVersion>
   <TargetFramework>$(DefaultTargetFramework)</TargetFramework>
   <RootNamespace>Asp.Versioning</RootNamespace>
   <AssemblyTitle>ASP.NET Core API Versioning with OData v4.0</AssemblyTitle>
@@ -15,7 +15,7 @@
  </ItemGroup>
 
  <ItemGroup>
-  <PackageReference Include="Microsoft.AspNetCore.OData" Version="[8.0.2,9.0.0)" />
+  <PackageReference Include="Microsoft.AspNetCore.OData" Version="[8.0.2,10.0.0)" />
  </ItemGroup>
 
  <ItemGroup>
diff --git a/src/AspNetCore/OData/src/Asp.Versioning.OData/OData/ODataApplicationModelProvider.cs b/src/AspNetCore/OData/src/Asp.Versioning.OData/OData/ODataApplicationModelProvider.cs
index 402da34d..9ef71b7b 100644
--- a/src/AspNetCore/OData/src/Asp.Versioning.OData/OData/ODataApplicationModelProvider.cs
+++ b/src/AspNetCore/OData/src/Asp.Versioning.OData/OData/ODataApplicationModelProvider.cs
@@ -141,7 +141,7 @@ private static
         return (metadataControllers, supported, deprecated);
     }
 
-    private static ControllerModel? SelectBestMetadataController( IReadOnlyList<ControllerModel> controllers )
+    private static ControllerModel? SelectBestMetadataController( List<ControllerModel> controllers )
     {
         // note: there should be at least 2 metadata controllers, but there could be 3+
         // if a developer defines their own custom controller. ultimately, there can be
diff --git a/src/AspNetCore/OData/src/Asp.Versioning.OData/ReleaseNotes.txt b/src/AspNetCore/OData/src/Asp.Versioning.OData/ReleaseNotes.txt
index 5f282702..b5318606 100644
--- a/src/AspNetCore/OData/src/Asp.Versioning.OData/ReleaseNotes.txt
+++ b/src/AspNetCore/OData/src/Asp.Versioning.OData/ReleaseNotes.txt
@@ -1 +1 @@
-
\ No newline at end of file
+Support OData 9.0 ([#1103](https://github.com/dotnet/aspnet-api-versioning/issues/1103))
\ No newline at end of file
diff --git a/src/AspNetCore/OData/test/Asp.Versioning.OData.ApiExplorer.Tests/ApiExplorer/ODataApiDescriptionProviderTest.cs b/src/AspNetCore/OData/test/Asp.Versioning.OData.ApiExplorer.Tests/ApiExplorer/ODataApiDescriptionProviderTest.cs
index 511513b4..532abb00 100644
--- a/src/AspNetCore/OData/test/Asp.Versioning.OData.ApiExplorer.Tests/ApiExplorer/ODataApiDescriptionProviderTest.cs
+++ b/src/AspNetCore/OData/test/Asp.Versioning.OData.ApiExplorer.Tests/ApiExplorer/ODataApiDescriptionProviderTest.cs
@@ -256,9 +256,9 @@ private static void AssertQueryOptionWithoutOData( ApiDescription description, s
         parameter.ModelMetadata.Description.Should().EndWith( suffix + '.' );
     }
 
-    private void PrintGroup( IReadOnlyList<ApiDescription> items )
+    private void PrintGroup( ApiDescription[] items )
     {
-        for ( var i = 0; i < items.Count; i++ )
+        for ( var i = 0; i < items.Length; i++ )
         {
             var item = items[i];
             console.WriteLine( $"[{item.GroupName}] {item.HttpMethod} {item.RelativePath}" );
diff --git a/src/AspNetCore/WebApi/src/Asp.Versioning.Mvc/ApplicationModels/DefaultApiControllerFilter.cs b/src/AspNetCore/WebApi/src/Asp.Versioning.Mvc/ApplicationModels/DefaultApiControllerFilter.cs
index e8d851be..a8a1d46e 100644
--- a/src/AspNetCore/WebApi/src/Asp.Versioning.Mvc/ApplicationModels/DefaultApiControllerFilter.cs
+++ b/src/AspNetCore/WebApi/src/Asp.Versioning.Mvc/ApplicationModels/DefaultApiControllerFilter.cs
@@ -10,7 +10,7 @@ namespace Asp.Versioning.ApplicationModels;
 [CLSCompliant( false )]
 public sealed class DefaultApiControllerFilter : IApiControllerFilter
 {
-    private readonly IReadOnlyList<IApiControllerSpecification> specifications;
+    private readonly List<IApiControllerSpecification> specifications;
 
     /// <summary>
     /// Initializes a new instance of the <see cref="DefaultApiControllerFilter"/> class.
@@ -19,7 +19,7 @@ public sealed class DefaultApiControllerFilter : IApiControllerFilter
     /// <see cref="IApiControllerSpecification">specifications</see> used by the filter
     /// to identify API controllers.</param>
     public DefaultApiControllerFilter( IEnumerable<IApiControllerSpecification> specifications ) =>
-        this.specifications = specifications.ToArray();
+        this.specifications = specifications.ToList();
 
     /// <inheritdoc />
     public IList<ControllerModel> Apply( IList<ControllerModel> controllers )
diff --git a/src/Common/src/Common.OData.ApiExplorer/Conventions/ODataAttributeVisitor.cs b/src/Common/src/Common.OData.ApiExplorer/Conventions/ODataAttributeVisitor.cs
index 7cb50224..fd973fe6 100644
--- a/src/Common/src/Common.OData.ApiExplorer/Conventions/ODataAttributeVisitor.cs
+++ b/src/Common/src/Common.OData.ApiExplorer/Conventions/ODataAttributeVisitor.cs
@@ -76,11 +76,11 @@ private void VisitModel( IEdmStructuredType modelType )
         VisitMaxTop( querySettings );
     }
 
-    private void VisitEnableQuery( IReadOnlyList<EnableQueryAttribute> attributes )
+    private void VisitEnableQuery( EnableQueryAttribute[] attributes )
     {
         var @default = new EnableQueryAttribute();
 
-        for ( var i = 0; i < attributes.Count; i++ )
+        for ( var i = 0; i < attributes.Length; i++ )
         {
             var attribute = attributes[i];