json-api-dotnet · bkoelman · Feb 21, 2026 · Feb 20, 2026 · Feb 20, 2026 · Feb 20, 2026
diff --git a/.config/dotnet-tools.json b/.config/dotnet-tools.json
@@ -3,7 +3,7 @@
   "isRoot": true,
   "tools": {
     "jetbrains.resharper.globaltools": {
-      "version": "2026.1.4",
+      "version": "2026.2.0-rc01",
       "commands": [
         "jb"
       ],

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -56,6 +56,11 @@ jobs:
           8.0.*
           9.0.*
           10.0.*
+    - name: Setup .NET 11 Preview
+      uses: actions/setup-dotnet@v5
+      with:
+        dotnet-version: 11.0.*
+        dotnet-quality: preview
     - name: Show installed versions
       shell: pwsh
       run: |
@@ -165,6 +170,11 @@ jobs:
           8.0.*
           9.0.*
           10.0.*
+    - name: Setup .NET 11 Preview
+      uses: actions/setup-dotnet@v5
+      with:
+        dotnet-version: 11.0.*
+        dotnet-quality: preview
     - name: Git checkout
       uses: actions/checkout@v7
       with:
@@ -223,6 +233,11 @@ jobs:
           8.0.*
           9.0.*
           10.0.*
+    - name: Setup .NET 11 Preview
+      uses: actions/setup-dotnet@v5
+      with:
+        dotnet-version: 11.0.*
+        dotnet-quality: preview
     - name: Git checkout
       uses: actions/checkout@v7
       with:

diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
@@ -33,6 +33,11 @@ jobs:
           8.0.*
           9.0.*
           10.0.*
+    - name: Setup .NET 11 Preview
+      uses: actions/setup-dotnet@v5
+      with:
+        dotnet-version: 11.0.*
+        dotnet-quality: preview
     - name: Git checkout
       uses: actions/checkout@v7
       with:

diff --git a/.github/workflows/qodana.yml b/.github/workflows/qodana.yml
@@ -30,6 +30,11 @@ jobs:
           8.0.*
           9.0.*
           10.0.*
+    - name: Setup .NET 11 Preview
+      uses: actions/setup-dotnet@v5
+      with:
+        dotnet-version: 11.0.*
+        dotnet-quality: preview
     - name: Git checkout
       uses: actions/checkout@v7
       with:

diff --git a/Directory.Build.props b/Directory.Build.props
@@ -14,6 +14,11 @@
     <OpenApiPreviewNumber>9</OpenApiPreviewNumber>
   </PropertyGroup>
 
+  <PropertyGroup>
+    <!-- .NET 11 Preview -->
+    <SuppressNETCoreSdkPreviewMessage>true</SuppressNETCoreSdkPreviewMessage>
+  </PropertyGroup>
+
   <PropertyGroup>
     <NoWarn>
       <!--
@@ -65,4 +70,14 @@
   <ItemGroup>
     <PackageReference Include="JetBrains.Annotations" Version="2026.2.*" PrivateAssets="All" />
   </ItemGroup>
+
+  <ItemGroup>
+    <!--
+      Workaround: Swashbuckle 11.x (used on net10.0/net11.0) was compiled against Microsoft.OpenApi 3.9.0.
+      CS1705 prevents compiling against a lower version, so we compile against 3.9.0 and overwrite
+      the output DLL with 3.7.0 at runtime. PackageDownload ensures 3.7.0 is in the NuGet cache.
+      See the UseOpenApi370AtRuntime target in Directory.Build.targets.
+    -->
+    <PackageDownload Include="Microsoft.OpenApi" Version="[3.7.0]" />
+  </ItemGroup>
 </Project>
diff --git a/Directory.Build.targets b/Directory.Build.targets
@@ -1,4 +1,23 @@
 <Project>
+  <!--
+    Workaround: Swashbuckle 11.x (used on net10.0/net11.0) was compiled against Microsoft.OpenApi 3.9.0, so
+    CS1705 prevents us from downgrading it at compile time. We compile against 3.9.0 and then overwrite
+    the output DLL with 3.7.0 so the runtime uses the desired version. The Exists() condition limits this
+    to executable/test projects (they copy transitive package DLLs to output; library projects don't).
+    PackageDownload in Directory.Build.props ensures the 3.7.0 DLL is present in the NuGet cache.
+  -->
+  <Target Name="UseOpenApi370AtRuntime" AfterTargets="Build"
+      Condition="('$(TargetFramework)' == 'net11.0' OR '$(TargetFramework)' == 'net10.0') AND Exists('$(OutputPath)Microsoft.OpenApi.dll')">
+    <PropertyGroup>
+      <_NuGetPackagesRoot Condition="'$(NUGET_PACKAGES)' != ''">$(NUGET_PACKAGES)</_NuGetPackagesRoot>
+      <_NuGetPackagesRoot Condition="'$(_NuGetPackagesRoot)' == '' AND '$(USERPROFILE)' != ''">$(USERPROFILE)/.nuget/packages</_NuGetPackagesRoot>
+      <_NuGetPackagesRoot Condition="'$(_NuGetPackagesRoot)' == '' AND '$(HOME)' != ''">$(HOME)/.nuget/packages</_NuGetPackagesRoot>
+      <_OpenApi370Dll>$(_NuGetPackagesRoot)/microsoft.openapi/3.7.0/lib/net8.0/Microsoft.OpenApi.dll</_OpenApi370Dll>
+    </PropertyGroup>
+    <Copy SourceFiles="$(_OpenApi370Dll)" DestinationFolder="$(OutputPath)" OverwriteReadOnlyFiles="true"
+        Condition="Exists('$(_OpenApi370Dll)')" />
+  </Target>
+
   <Target Name="DisableCompileTimeOpenApiXmlGenerator" BeforeTargets="CoreCompile">
     <ItemGroup>
       <Analyzer Remove="@(Analyzer)" Condition="'%(Filename)' == 'Microsoft.AspNetCore.OpenApi.SourceGenerators'" />

diff --git a/benchmarks/Benchmarks.csproj b/benchmarks/Benchmarks.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net10.0</TargetFramework>
+    <TargetFramework>net11.0</TargetFramework>
     <ServerGarbageCollection>true</ServerGarbageCollection>
   </PropertyGroup>
 

diff --git a/package-versions.props b/package-versions.props
@@ -5,7 +5,8 @@
     <DemystifierFrozenVersion>0.4.1</DemystifierFrozenVersion>
     <HumanizerFrozenVersion>2.14.1</HumanizerFrozenVersion>
     <NewtonsoftJsonFrozenVersion>13.0.4</NewtonsoftJsonFrozenVersion>
-    <SwashbuckleFrozenVersion>10.2.3</SwashbuckleFrozenVersion>
+    <SwashbuckleFrozenVersion_NET8_9>10.2.3</SwashbuckleFrozenVersion_NET8_9>
+    <SwashbuckleFrozenVersion_NET10_11>*-pr.3786.*</SwashbuckleFrozenVersion_NET10_11>
     <SystemTextRegularExpressionsFrozenVersion>4.3.1</SystemTextRegularExpressionsFrozenVersion>
 
     <!-- Non-published dependencies (these are safe to update, won't cause a breaking change) -->
@@ -20,50 +21,77 @@
     <GitHubActionsTestLoggerVersion>3.0.*</GitHubActionsTestLoggerVersion>
     <InheritDocVersion>2.0.*</InheritDocVersion>
     <KiotaVersion>2.*</KiotaVersion>
-    <MicrosoftApiServerVersion>10.0.*</MicrosoftApiServerVersion>
     <MiniValidationVersion>0.10.*</MiniValidationVersion>
     <NSwagApiClientVersion>14.7.*</NSwagApiClientVersion>
     <NewtonsoftJsonVersion>13.0.*</NewtonsoftJsonVersion>
     <PolyfillVersion>10.10.*</PolyfillVersion>
     <ReadableExpressionsVersion>4.1.*</ReadableExpressionsVersion>
     <ScalarAspNetCoreVersion>2.16.*</ScalarAspNetCoreVersion>
-    <SwashbuckleVersion>10.*-*</SwashbuckleVersion>
-    <SystemTextJsonVersion>10.0.*</SystemTextJsonVersion>
+    <SwashbuckleVersion_NET8_9>10.*-*</SwashbuckleVersion_NET8_9>
     <TestSdkVersion>18.8.*</TestSdkVersion>
     <XunitVersion>2.9.*</XunitVersion>
     <XunitVisualStudioVersion>3.1.*</XunitVisualStudioVersion>
   </PropertyGroup>
 
+  <PropertyGroup Condition="'$(TargetFramework)' == 'net11.0'">
+    <!-- Published dependencies (only update on major version change) -->
+    <EntityFrameworkCoreFrozenVersion>11.0.*-*</EntityFrameworkCoreFrozenVersion>
+    <SwashbuckleFrozenVersion>$(SwashbuckleFrozenVersion_NET10_11)</SwashbuckleFrozenVersion>
+
+    <!-- Non-published dependencies (these are safe to update, won't cause a breaking change) -->
+    <AspNetCoreVersion>11.0.*-*</AspNetCoreVersion>
+    <EntityFrameworkCoreVersion>11.0.*-*</EntityFrameworkCoreVersion>
+    <MicrosoftApiServerVersion>11.0.*-*</MicrosoftApiServerVersion>
+    <PomeloEntityFrameworkCoreVersion>
+      <!-- Temporary workaround: Unstable EF Core 10 package for Pomelo.EntityFrameworkCore.MySql is not available yet. -->
+      9.0.*
+    </PomeloEntityFrameworkCoreVersion>
+    <SwashbuckleVersion>$(SwashbuckleFrozenVersion)</SwashbuckleVersion>
+    <SystemTextJsonVersion>11.0.*-*</SystemTextJsonVersion>
+  </PropertyGroup>
+
   <PropertyGroup Condition="'$(TargetFramework)' == 'net10.0'">
     <!-- Published dependencies (only update on major version change) -->
     <EntityFrameworkCoreFrozenVersion>10.0.0</EntityFrameworkCoreFrozenVersion>
+    <SwashbuckleFrozenVersion>$(SwashbuckleFrozenVersion_NET10_11)</SwashbuckleFrozenVersion>
 
     <!-- Non-published dependencies (these are safe to update, won't cause a breaking change) -->
     <AspNetCoreVersion>10.0.*</AspNetCoreVersion>
     <EntityFrameworkCoreVersion>10.0.*-*</EntityFrameworkCoreVersion>
+    <MicrosoftApiServerVersion>11.0.*-*</MicrosoftApiServerVersion>
     <PomeloEntityFrameworkCoreVersion>
       <!-- Temporary workaround: Unstable EF Core 10 package for Pomelo.EntityFrameworkCore.MySql is not available yet. -->
       9.0.*
     </PomeloEntityFrameworkCoreVersion>
+    <SwashbuckleVersion>$(SwashbuckleFrozenVersion)</SwashbuckleVersion>
+    <SystemTextJsonVersion>10.0.*</SystemTextJsonVersion>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(TargetFramework)' == 'net9.0'">
     <!-- Published dependencies (only update on major version change) -->
     <EntityFrameworkCoreFrozenVersion>N/A</EntityFrameworkCoreFrozenVersion>
+    <SwashbuckleFrozenVersion>$(SwashbuckleFrozenVersion_NET8_9)</SwashbuckleFrozenVersion>
 
     <!-- Non-published dependencies (these are safe to update, won't cause a breaking change) -->
     <AspNetCoreVersion>9.0.*</AspNetCoreVersion>
     <EntityFrameworkCoreVersion>9.0.*</EntityFrameworkCoreVersion>
+    <MicrosoftApiServerVersion>10.0.*</MicrosoftApiServerVersion>
     <PomeloEntityFrameworkCoreVersion>$(EntityFrameworkCoreVersion)</PomeloEntityFrameworkCoreVersion>
+    <SwashbuckleVersion>$(SwashbuckleVersion_NET8_9)</SwashbuckleVersion>
+    <SystemTextJsonVersion>10.0.*</SystemTextJsonVersion>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(TargetFramework)' == 'net8.0'">
     <!-- Published dependencies (only update on major version change) -->
     <EntityFrameworkCoreFrozenVersion>8.0.0</EntityFrameworkCoreFrozenVersion>
+    <SwashbuckleFrozenVersion>$(SwashbuckleFrozenVersion_NET8_9)</SwashbuckleFrozenVersion>
 
     <!-- Non-published dependencies (these are safe to update, won't cause a breaking change) -->
     <AspNetCoreVersion>8.0.*</AspNetCoreVersion>
     <EntityFrameworkCoreVersion>8.0.*</EntityFrameworkCoreVersion>
+    <MicrosoftApiServerVersion>10.0.*</MicrosoftApiServerVersion>
     <PomeloEntityFrameworkCoreVersion>$(EntityFrameworkCoreVersion)</PomeloEntityFrameworkCoreVersion>
+    <SwashbuckleVersion>$(SwashbuckleVersion_NET8_9)</SwashbuckleVersion>
+    <SystemTextJsonVersion>10.0.*</SystemTextJsonVersion>
   </PropertyGroup>
 </Project>
diff --git a/src/Examples/DapperExample/DapperExample.csproj b/src/Examples/DapperExample/DapperExample.csproj
@@ -1,6 +1,6 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
+<Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
-    <TargetFrameworks>net10.0;net9.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net11.0;net10.0;net9.0;net8.0</TargetFrameworks>
   </PropertyGroup>
 
   <Import Project="..\..\..\package-versions.props" />

diff --git a/src/Examples/DatabasePerTenantExample/DatabasePerTenantExample.csproj b/src/Examples/DatabasePerTenantExample/DatabasePerTenantExample.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
-    <TargetFrameworks>net10.0;net9.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net11.0;net10.0;net9.0;net8.0</TargetFrameworks>
   </PropertyGroup>
 
   <Import Project="..\..\..\package-versions.props" />

diff --git a/src/Examples/GettingStarted/GettingStarted.csproj b/src/Examples/GettingStarted/GettingStarted.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
-    <TargetFrameworks>net10.0;net9.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net11.0;net10.0;net9.0;net8.0</TargetFrameworks>
   </PropertyGroup>
 
   <Import Project="..\..\..\package-versions.props" />

diff --git a/src/Examples/JsonApiDotNetCoreExample/JsonApiDotNetCoreExample.csproj b/src/Examples/JsonApiDotNetCoreExample/JsonApiDotNetCoreExample.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
-    <TargetFrameworks>net10.0;net9.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net11.0;net10.0;net9.0;net8.0</TargetFrameworks>
     <OpenApiGenerateDocumentsOnBuild>true</OpenApiGenerateDocumentsOnBuild>
     <OpenApiDocumentsDirectory>GeneratedSwagger</OpenApiDocumentsDirectory>
   </PropertyGroup>

diff --git a/src/Examples/MultiDbContextExample/MultiDbContextExample.csproj b/src/Examples/MultiDbContextExample/MultiDbContextExample.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
-    <TargetFrameworks>net10.0;net9.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net11.0;net10.0;net9.0;net8.0</TargetFrameworks>
   </PropertyGroup>
 
   <Import Project="..\..\..\package-versions.props" />

diff --git a/src/Examples/NoEntityFrameworkExample/NoEntityFrameworkExample.csproj b/src/Examples/NoEntityFrameworkExample/NoEntityFrameworkExample.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
-    <TargetFrameworks>net10.0;net9.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net11.0;net10.0;net9.0;net8.0</TargetFrameworks>
   </PropertyGroup>
 
   <Import Project="..\..\..\package-versions.props" />

diff --git a/src/Examples/OpenApiKiotaClientExample/OpenApiKiotaClientExample.csproj b/src/Examples/OpenApiKiotaClientExample/OpenApiKiotaClientExample.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk.Worker">
   <PropertyGroup>
-    <TargetFramework>net10.0</TargetFramework>
+    <TargetFramework>net11.0</TargetFramework>
   </PropertyGroup>
 
   <Import Project="..\..\..\package-versions.props" />

diff --git a/src/Examples/OpenApiNSwagClientExample/OpenApiNSwagClientExample.csproj b/src/Examples/OpenApiNSwagClientExample/OpenApiNSwagClientExample.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Worker">
   <PropertyGroup>
     <!-- TargetFrameworks does not work, see https://github.com/domaindrivendev/Swashbuckle.AspNetCore/issues/2706 -->
-    <TargetFramework>net10.0</TargetFramework>
+    <TargetFramework>net11.0</TargetFramework>
   </PropertyGroup>
 
   <Import Project="..\..\..\package-versions.props" />

diff --git a/src/Examples/ReportsExample/ReportsExample.csproj b/src/Examples/ReportsExample/ReportsExample.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
-    <TargetFrameworks>net10.0;net9.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net11.0;net10.0;net9.0;net8.0</TargetFrameworks>
   </PropertyGroup>
 
   <Import Project="..\..\..\package-versions.props" />

diff --git 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>net10.0;net8.0;netstandard1.0</TargetFrameworks>
+    <TargetFrameworks>net11.0;net10.0;net8.0;netstandard1.0</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <RootNamespace>JsonApiDotNetCore</RootNamespace>

diff --git a/src/JsonApiDotNetCore.OpenApi.Client.Kiota/JsonApiDotNetCore.OpenApi.Client.Kiota.csproj b/src/JsonApiDotNetCore.OpenApi.Client.Kiota/JsonApiDotNetCore.OpenApi.Client.Kiota.csproj
@@ -1,6 +1,6 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net10.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net11.0;net10.0;net8.0</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <OpenApiGenerateDocuments>false</OpenApiGenerateDocuments>

diff --git a/src/JsonApiDotNetCore.OpenApi.Client.NSwag/JsonApiDotNetCore.OpenApi.Client.NSwag.csproj b/src/JsonApiDotNetCore.OpenApi.Client.NSwag/JsonApiDotNetCore.OpenApi.Client.NSwag.csproj
@@ -1,6 +1,6 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net10.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net11.0;net10.0;net8.0</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <OpenApiGenerateDocuments>false</OpenApiGenerateDocuments>

diff --git a/src/JsonApiDotNetCore.OpenApi.Swashbuckle/JsonApiDotNetCore.OpenApi.Swashbuckle.csproj b/src/JsonApiDotNetCore.OpenApi.Swashbuckle/JsonApiDotNetCore.OpenApi.Swashbuckle.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net10.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net11.0;net10.0;net8.0</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <OpenApiGenerateDocuments>false</OpenApiGenerateDocuments>

diff --git a/src/JsonApiDotNetCore/JsonApiDotNetCore.csproj b/src/JsonApiDotNetCore/JsonApiDotNetCore.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net10.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net11.0;net10.0;net8.0</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
   </PropertyGroup>

diff --git a/test/AnnotationTests/AnnotationTests.csproj b/test/AnnotationTests/AnnotationTests.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net10.0;net9.0;net8.0;netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>net11.0;net10.0;net9.0;net8.0;netstandard2.0</TargetFrameworks>
   </PropertyGroup>
 
   <Import Project="..\..\package-versions.props" />

diff --git a/test/DapperTests/DapperTests.csproj b/test/DapperTests/DapperTests.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net10.0;net9.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net11.0;net10.0;net9.0;net8.0</TargetFrameworks>
   </PropertyGroup>
 
   <Import Project="..\..\package-versions.props" />

diff --git a/test/DiscoveryTests/DiscoveryTests.csproj b/test/DiscoveryTests/DiscoveryTests.csproj
@@ -1,6 +1,6 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net10.0;net9.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net11.0;net10.0;net9.0;net8.0</TargetFrameworks>
   </PropertyGroup>
 
   <Import Project="..\..\package-versions.props" />

diff --git a/test/DiscoveryTests/ServiceDiscoveryFacadeTests.cs b/test/DiscoveryTests/ServiceDiscoveryFacadeTests.cs
@@ -124,6 +124,13 @@ public override DbContextOptions WithExtension<TExtension>(TExtension extension)
             {
                 return this;
             }
+
+#if NET11_0_OR_GREATER
+            public override DbContextOptions WithoutExtension<TExtension>()
+            {
+                return this;
+            }
+#endif
         }
     }
 }
diff --git a/test/JsonApiDotNetCoreTests/JsonApiDotNetCoreTests.csproj b/test/JsonApiDotNetCoreTests/JsonApiDotNetCoreTests.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net10.0;net9.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net11.0;net10.0;net9.0;net8.0</TargetFrameworks>
   </PropertyGroup>
 
   <Import Project="..\..\package-versions.props" />

diff --git a/test/MultiDbContextTests/MultiDbContextTests.csproj b/test/MultiDbContextTests/MultiDbContextTests.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net10.0;net9.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net11.0;net10.0;net9.0;net8.0</TargetFrameworks>
   </PropertyGroup>
 
   <Import Project="..\..\package-versions.props" />

diff --git a/test/NoEntityFrameworkTests/NoEntityFrameworkTests.csproj b/test/NoEntityFrameworkTests/NoEntityFrameworkTests.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net10.0;net9.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net11.0;net10.0;net9.0;net8.0</TargetFrameworks>
   </PropertyGroup>
 
   <Import Project="..\..\package-versions.props" />