diff --git a/Directory.Build.props b/Directory.Build.props
index 1aae2bc83a..a9c84b6193 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -16,6 +16,7 @@
   <PropertyGroup>
     <NoWarn>$(NoWarn);NU5104;NU1608</NoWarn>
     <SuppressNETCoreSdkPreviewMessage>true</SuppressNETCoreSdkPreviewMessage>
+    <NuGetAuditMode>direct</NuGetAuditMode>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/JsonApiDotNetCore.sln.DotSettings b/JsonApiDotNetCore.sln.DotSettings
index 399be60883..5602bd3db9 100644
--- a/JsonApiDotNetCore.sln.DotSettings
+++ b/JsonApiDotNetCore.sln.DotSettings
@@ -595,6 +595,7 @@ JsonApiDotNetCore.ArgumentGuard.NotNull($EXPR$);</s:String>
 	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002ECSharpKeepExistingMigration/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002ECSharpPlaceEmbeddedOnSameLineMigration/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002ECSharpUseContinuousIndentInsideBracesMigration/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002EMemberReordering_002EMigrations_002ECSharpFileLayoutPatternRemoveIsAttributeUpgrade/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002ESettingsUpgrade_002EAlwaysTreatStructAsNotReorderableMigration/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002ESettingsUpgrade_002EMigrateBlankLinesAroundFieldToBlankLinesAroundProperty/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002ESettingsUpgrade_002EPredefinedNamingRulesToUserRulesUpgrade/@EntryIndexedValue">True</s:Boolean>
diff --git a/package-versions.props b/package-versions.props
index fd7e143a02..99c3f0b84d 100644
--- a/package-versions.props
+++ b/package-versions.props
@@ -21,12 +21,12 @@
 
   <PropertyGroup Condition="'$(TargetFramework)' == 'net9.0'">
     <!-- Published dependencies (only update on major version change) -->
-    <EntityFrameworkCoreFrozenVersion>9.0.0-preview.3.24172.4</EntityFrameworkCoreFrozenVersion>
+    <EntityFrameworkCoreFrozenVersion>9.0.0-rc.1.24451.1</EntityFrameworkCoreFrozenVersion>
 
     <!-- Non-published dependencies (these are safe to update, won't cause a breaking change) -->
     <AspNetCoreVersion>9.0.*-*</AspNetCoreVersion>
     <EntityFrameworkCoreVersion>$(EntityFrameworkCoreFrozenVersion)</EntityFrameworkCoreVersion>
-    <EntityFrameworkCorePostgreSQLVersion>9.0.0-preview.3</EntityFrameworkCorePostgreSQLVersion>
+    <EntityFrameworkCorePostgreSQLVersion>9.0.0-rc.1</EntityFrameworkCorePostgreSQLVersion>
     <EntityFrameworkCorePomeloVersion>9.0.0-preview.1</EntityFrameworkCorePomeloVersion>
     <SystemTextJsonVersion>$(AspNetCoreVersion)</SystemTextJsonVersion>
   </PropertyGroup>
diff --git a/src/JsonApiDotNetCore.Annotations/JsonApiDotNetCore.Annotations.csproj b/src/JsonApiDotNetCore.Annotations/JsonApiDotNetCore.Annotations.csproj
index 636c4e0d0e..3ee7f4d420 100644
--- a/src/JsonApiDotNetCore.Annotations/JsonApiDotNetCore.Annotations.csproj
+++ b/src/JsonApiDotNetCore.Annotations/JsonApiDotNetCore.Annotations.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net9.0;net8.0;net6.0;netstandard1.0</TargetFrameworks>
+    <TargetFrameworks>net9.0;net8.0;net6.0;netstandard2.0</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <RootNamespace>JsonApiDotNetCore</RootNamespace>
@@ -31,17 +31,17 @@
 
   <!-- We multi-target against NetStandard solely to enable consumers to share their models project with .NET Framework code. -->
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.0' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' ">
     <Using Remove="System.Net.Http" />
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.0' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' ">
     <Compile Remove="**/*.cs" />
     <Compile Include="**/*.shared.cs" />
     <Compile Include="**/*.netstandard.cs" />
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' != 'netstandard1.0' ">
+  <ItemGroup Condition=" '$(TargetFramework)' != 'netstandard2.0' ">
     <Compile Remove="**/*.netstandard.cs" />
     <None Include="**/*.netstandard.cs" />
   </ItemGroup>
diff --git a/test/SourceGeneratorTests/SourceGeneratorTests.csproj b/test/SourceGeneratorTests/SourceGeneratorTests.csproj
index 8b7d42fdca..2402def762 100644
--- a/test/SourceGeneratorTests/SourceGeneratorTests.csproj
+++ b/test/SourceGeneratorTests/SourceGeneratorTests.csproj
@@ -15,6 +15,7 @@
     <PackageReference Include="coverlet.collector" Version="$(CoverletVersion)" PrivateAssets="All" />
     <PackageReference Include="GitHubActionsTestLogger" Version="$(GitHubActionsTestLoggerVersion)" PrivateAssets="All" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="$(CodeAnalysisVersion)" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="$(EntityFrameworkCoreVersion)" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="$(TestSdkVersion)" />
   </ItemGroup>
 </Project>