Removed support for .NET 6 as it has reached the end of support;

ffernandolima · ffernandolima · commit 8971a04d20d1 · 2024-12-07T12:10:10.000-03:00
Added support for .NET 9;
Set 'LangVersion' to 'latest'.
diff --git a/examples/AdminClient/AdminClient.csproj b/examples/AdminClient/AdminClient.csproj
@@ -3,9 +3,9 @@
   <PropertyGroup>
     <ProjectTypeGuids>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <AssemblyName>AdminClient</AssemblyName>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <OutputType>Exe</OutputType>
-    <LangVersion>7.3</LangVersion>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/examples/AvroBlogExamples/AvroBlogExamples.csproj b/examples/AvroBlogExamples/AvroBlogExamples.csproj
@@ -3,8 +3,8 @@
   <PropertyGroup>
     <ProjectTypeGuids>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
-    <LangVersion>7.1</LangVersion>
+    <TargetFramework>net9.0</TargetFramework>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/examples/AvroGeneric/AvroGeneric.csproj b/examples/AvroGeneric/AvroGeneric.csproj
@@ -4,8 +4,8 @@
     <ProjectTypeGuids>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <AssemblyName>AvroGeneric</AssemblyName>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
-    <LangVersion>7.1</LangVersion>
+    <TargetFramework>net9.0</TargetFramework>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/examples/AvroGenericEncryption/AvroGenericEncryption.csproj b/examples/AvroGenericEncryption/AvroGenericEncryption.csproj
@@ -4,8 +4,8 @@
     <ProjectTypeGuids>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <AssemblyName>AvroGenericEncryption</AssemblyName>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
-    <LangVersion>7.1</LangVersion>
+    <TargetFramework>net9.0</TargetFramework>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/examples/AvroGenericMigration/AvroGenericMigration.csproj b/examples/AvroGenericMigration/AvroGenericMigration.csproj
@@ -4,8 +4,8 @@
     <ProjectTypeGuids>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <AssemblyName>AvroGenericMigration</AssemblyName>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
-    <LangVersion>7.1</LangVersion>
+    <TargetFramework>net9.0</TargetFramework>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/examples/AvroSpecific/AvroSpecific.csproj b/examples/AvroSpecific/AvroSpecific.csproj
@@ -4,8 +4,8 @@
     <ProjectTypeGuids>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <AssemblyName>AvroSpecific</AssemblyName>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
-    <LangVersion>7.1</LangVersion>
+    <TargetFramework>net9.0</TargetFramework>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/examples/AvroSpecificEncryption/AvroSpecificEncryption.csproj b/examples/AvroSpecificEncryption/AvroSpecificEncryption.csproj
@@ -4,8 +4,8 @@
     <ProjectTypeGuids>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <AssemblyName>AvroSpecificEncryption</AssemblyName>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
-    <LangVersion>7.1</LangVersion>
+    <TargetFramework>net9.0</TargetFramework>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/examples/ConfluentCloud/ConfluentCloud.csproj b/examples/ConfluentCloud/ConfluentCloud.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <ProjectTypeGuids>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/examples/Consumer/Consumer.csproj b/examples/Consumer/Consumer.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <ProjectTypeGuids>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <AssemblyName>Consumer</AssemblyName>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <OutputType>Exe</OutputType>
   </PropertyGroup>
 
diff --git a/examples/ExactlyOnce/ExactlyOnce.csproj b/examples/ExactlyOnce/ExactlyOnce.csproj
@@ -3,9 +3,9 @@
   <PropertyGroup>
     <ProjectTypeGuids>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <AssemblyName>ExactlyOnce</AssemblyName>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <OutputType>Exe</OutputType>
-    <LangVersion>7.3</LangVersion>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/examples/ExactlyOnceOldBroker/ExactlyOnceOldBroker.csproj b/examples/ExactlyOnceOldBroker/ExactlyOnceOldBroker.csproj
@@ -3,9 +3,9 @@
   <PropertyGroup>
     <ProjectTypeGuids>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <AssemblyName>ExactlyOnceOldBroker</AssemblyName>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <OutputType>Exe</OutputType>
-    <LangVersion>7.3</LangVersion>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/examples/JsonEncryption/JsonSerializationEncryption.csproj b/examples/JsonEncryption/JsonSerializationEncryption.csproj
@@ -4,8 +4,8 @@
     <ProjectTypeGuids>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <AssemblyName>JsonSerializationEncryption</AssemblyName>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
-    <LangVersion>7.1</LangVersion>
+    <TargetFramework>net9.0</TargetFramework>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/examples/JsonSerialization/JsonSerialization.csproj b/examples/JsonSerialization/JsonSerialization.csproj
@@ -4,8 +4,8 @@
     <ProjectTypeGuids>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <AssemblyName>JsonSerialization</AssemblyName>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
-    <LangVersion>7.1</LangVersion>
+    <TargetFramework>net9.0</TargetFramework>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/examples/JsonWithReferences/JsonWithReferences.csproj b/examples/JsonWithReferences/JsonWithReferences.csproj
@@ -4,8 +4,8 @@
     <ProjectTypeGuids>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <AssemblyName>JsonWithReferences</AssemblyName>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
-    <LangVersion>7.1</LangVersion>
+    <TargetFramework>net9.0</TargetFramework>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/examples/JsonWithReferences/Program.cs b/examples/JsonWithReferences/Program.cs
@@ -22,7 +22,12 @@
 using System.Collections.Generic;
 using System.Threading;
 using System.Threading.Tasks;
-using NJsonSchema.Generation;
+#if NET8_0_OR_GREATER
+using NJsonSchema.NewtonsoftJson.Generation;
+using NewtonsoftJsonSchemaGeneratorSettings = NJsonSchema.NewtonsoftJson.Generation.NewtonsoftJsonSchemaGeneratorSettings;
+#else
+using NewtonsoftJsonSchemaGeneratorSettings = NJsonSchema.Generation.JsonSchemaGeneratorSettings;
+#endif
 using Newtonsoft.Json;
 using Newtonsoft.Json.Serialization;
 
@@ -150,7 +155,7 @@ static async Task Main(string[] args)
             // from default one to camelCase.
             // It's also possible to add JsonProperty attributes to customize
             // serialization mapping and all available NJson attributes.
-            var jsonSchemaGeneratorSettings = new JsonSchemaGeneratorSettings
+            var jsonSchemaGeneratorSettings = new NewtonsoftJsonSchemaGeneratorSettings
             {
                 SerializerSettings = new JsonSerializerSettings
                 {
diff --git a/examples/OAuthConsumer/OAuthConsumer.csproj b/examples/OAuthConsumer/OAuthConsumer.csproj
@@ -3,9 +3,9 @@
   <PropertyGroup>
     <ProjectTypeGuids>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <AssemblyName>OAuthConsumer</AssemblyName>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <OutputType>Exe</OutputType>
-    <LangVersion>7.1</LangVersion>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/examples/OAuthOIDC/OAuthOIDC.csproj b/examples/OAuthOIDC/OAuthOIDC.csproj
@@ -3,9 +3,9 @@
   <PropertyGroup>
     <ProjectTypeGuids>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <AssemblyName>OAuthOIDC</AssemblyName>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <OutputType>Exe</OutputType>
-    <LangVersion>7.1</LangVersion>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/examples/OAuthProducer/OAuthProducer.csproj b/examples/OAuthProducer/OAuthProducer.csproj
@@ -3,9 +3,9 @@
   <PropertyGroup>
     <ProjectTypeGuids>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <AssemblyName>OAuthProducer</AssemblyName>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <OutputType>Exe</OutputType>
-    <LangVersion>7.1</LangVersion>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/examples/Producer/Producer.csproj b/examples/Producer/Producer.csproj
@@ -3,9 +3,9 @@
   <PropertyGroup>
     <ProjectTypeGuids>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <AssemblyName>Producer</AssemblyName>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <OutputType>Exe</OutputType>
-    <LangVersion>7.1</LangVersion>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/examples/Protobuf/Protobuf.csproj b/examples/Protobuf/Protobuf.csproj
@@ -4,8 +4,8 @@
     <ProjectTypeGuids>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <AssemblyName>Protobuf</AssemblyName>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
-    <LangVersion>7.1</LangVersion>
+    <TargetFramework>net9.0</TargetFramework>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/examples/ProtobufEncryption/ProtobufEncryption.csproj b/examples/ProtobufEncryption/ProtobufEncryption.csproj
@@ -4,8 +4,8 @@
     <ProjectTypeGuids>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <AssemblyName>ProtobufEncryption</AssemblyName>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
-    <LangVersion>7.1</LangVersion>
+    <TargetFramework>net9.0</TargetFramework>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/ConfigGen/ConfigGen.csproj b/src/ConfigGen/ConfigGen.csproj
@@ -2,8 +2,8 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
-    <LangVersion>7.1</LangVersion>
+    <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/Confluent.Kafka/Confluent.Kafka.csproj b/src/Confluent.Kafka/Confluent.Kafka.csproj
@@ -17,7 +17,7 @@
     <Title>Confluent.Kafka</Title>
     <AssemblyName>Confluent.Kafka</AssemblyName>
     <VersionPrefix>2.6.1</VersionPrefix>
-    <TargetFrameworks>netstandard2.0;net462;net6.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net462;net8.0;net9.0</TargetFrameworks>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <SignAssembly>true</SignAssembly>
diff --git a/src/Confluent.SchemaRegistry.Encryption.Aws/Confluent.SchemaRegistry.Encryption.Aws.csproj b/src/Confluent.SchemaRegistry.Encryption.Aws/Confluent.SchemaRegistry.Encryption.Aws.csproj
@@ -16,7 +16,7 @@
         <Title>Confluent.SchemaRegistry.Encryption.Aws</Title>
         <AssemblyName>Confluent.SchemaRegistry.Encryption.Aws</AssemblyName>
         <VersionPrefix>2.6.1</VersionPrefix>
-        <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
+        <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
         <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
         <GenerateDocumentationFile>true</GenerateDocumentationFile>
         <SignAssembly>true</SignAssembly>
diff --git a/src/Confluent.SchemaRegistry.Encryption.Azure/Confluent.SchemaRegistry.Encryption.Azure.csproj b/src/Confluent.SchemaRegistry.Encryption.Azure/Confluent.SchemaRegistry.Encryption.Azure.csproj
@@ -16,7 +16,7 @@
         <Title>Confluent.SchemaRegistry.Encryption.Azure</Title>
         <AssemblyName>Confluent.SchemaRegistry.Encryption.Azure</AssemblyName>
         <VersionPrefix>2.6.1</VersionPrefix>
-        <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
+        <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
         <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
         <GenerateDocumentationFile>true</GenerateDocumentationFile>
         <SignAssembly>true</SignAssembly>
diff --git a/src/Confluent.SchemaRegistry.Encryption.Gcp/Confluent.SchemaRegistry.Encryption.Gcp.csproj b/src/Confluent.SchemaRegistry.Encryption.Gcp/Confluent.SchemaRegistry.Encryption.Gcp.csproj
@@ -16,7 +16,7 @@
         <Title>Confluent.SchemaRegistry.Encryption.Gcp</Title>
         <AssemblyName>Confluent.SchemaRegistry.Encryption.Gcp</AssemblyName>
         <VersionPrefix>2.6.1</VersionPrefix>
-        <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
+        <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
         <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
         <GenerateDocumentationFile>true</GenerateDocumentationFile>
         <SignAssembly>true</SignAssembly>
diff --git a/src/Confluent.SchemaRegistry.Encryption.HcVault/Confluent.SchemaRegistry.Encryption.HcVault.csproj b/src/Confluent.SchemaRegistry.Encryption.HcVault/Confluent.SchemaRegistry.Encryption.HcVault.csproj
@@ -16,7 +16,7 @@
         <Title>Confluent.SchemaRegistry.Encryption.HcVault</Title>
         <AssemblyName>Confluent.SchemaRegistry.Encryption.HcVault</AssemblyName>
         <VersionPrefix>2.6.1</VersionPrefix>
-        <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
+        <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
         <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
         <GenerateDocumentationFile>true</GenerateDocumentationFile>
         <SignAssembly>true</SignAssembly>
diff --git a/src/Confluent.SchemaRegistry.Encryption/Confluent.SchemaRegistry.Encryption.csproj b/src/Confluent.SchemaRegistry.Encryption/Confluent.SchemaRegistry.Encryption.csproj
@@ -16,7 +16,7 @@
         <Title>Confluent.SchemaRegistry.Encryption</Title>
         <AssemblyName>Confluent.SchemaRegistry.Encryption</AssemblyName>
         <VersionPrefix>2.6.1</VersionPrefix>
-        <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
+        <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
         <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
         <GenerateDocumentationFile>true</GenerateDocumentationFile>
         <SignAssembly>true</SignAssembly>
diff --git a/src/Confluent.SchemaRegistry.Rules/Confluent.SchemaRegistry.Rules.csproj b/src/Confluent.SchemaRegistry.Rules/Confluent.SchemaRegistry.Rules.csproj
@@ -16,7 +16,7 @@
         <Title>Confluent.SchemaRegistry.Rules</Title>
         <AssemblyName>Confluent.SchemaRegistry.Rules</AssemblyName>
         <VersionPrefix>2.6.1</VersionPrefix>
-        <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
+        <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
         <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
         <GenerateDocumentationFile>true</GenerateDocumentationFile>
         <SignAssembly>true</SignAssembly>
diff --git a/src/Confluent.SchemaRegistry.Serdes.Avro/Confluent.SchemaRegistry.Serdes.Avro.csproj b/src/Confluent.SchemaRegistry.Serdes.Avro/Confluent.SchemaRegistry.Serdes.Avro.csproj
@@ -16,7 +16,7 @@
     <Title>Confluent.SchemaRegistry.Serdes.Avro</Title>
     <AssemblyName>Confluent.SchemaRegistry.Serdes.Avro</AssemblyName>
     <VersionPrefix>2.6.1</VersionPrefix>
-    <TargetFrameworks>netstandard2.0;net6.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net8.0;net9.0</TargetFrameworks>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <SignAssembly>true</SignAssembly>
diff --git a/src/Confluent.SchemaRegistry.Serdes.Json/Confluent.SchemaRegistry.Serdes.Json.csproj b/src/Confluent.SchemaRegistry.Serdes.Json/Confluent.SchemaRegistry.Serdes.Json.csproj
@@ -16,17 +16,17 @@
     <Title>Confluent.SchemaRegistry.Serdes.Json</Title>
     <AssemblyName>Confluent.SchemaRegistry.Serdes.Json</AssemblyName>
     <VersionPrefix>2.6.1</VersionPrefix>
-    <TargetFrameworks>netstandard2.0;net6.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net8.0;net9.0</TargetFrameworks>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>Confluent.SchemaRegistry.Serdes.Json.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net8.0' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net8.0' Or '$(TargetFramework)' == 'net9.0' ">
     <PackageReference Include="NJsonSchema.NewtonsoftJson" Version="11.0.2" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(TargetFramework)' != 'net8.0' ">
+  <ItemGroup Condition=" '$(TargetFramework)' != 'net8.0' And '$(TargetFramework)' != 'net9.0' ">
     <PackageReference Include="NJsonSchema" Version="10.9.0" />
   </ItemGroup>
 
diff --git a/src/Confluent.SchemaRegistry.Serdes.Protobuf/Confluent.SchemaRegistry.Serdes.Protobuf.csproj b/src/Confluent.SchemaRegistry.Serdes.Protobuf/Confluent.SchemaRegistry.Serdes.Protobuf.csproj
@@ -17,7 +17,7 @@
     <Title>Confluent.SchemaRegistry.Serdes.Protobuf</Title>
     <AssemblyName>Confluent.SchemaRegistry.Serdes.Protobuf</AssemblyName>
     <VersionPrefix>2.6.1</VersionPrefix>
-    <TargetFrameworks>netstandard2.0;net6.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net8.0;net9.0</TargetFrameworks>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <SignAssembly>true</SignAssembly>
diff --git a/src/Confluent.SchemaRegistry/Confluent.SchemaRegistry.csproj b/src/Confluent.SchemaRegistry/Confluent.SchemaRegistry.csproj
@@ -17,7 +17,7 @@
     <Title>Confluent.SchemaRegistry</Title>
     <AssemblyName>Confluent.SchemaRegistry</AssemblyName>
     <VersionPrefix>2.6.1</VersionPrefix>
-    <TargetFrameworks>netstandard2.0;net6.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net8.0;net9.0</TargetFrameworks>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <SignAssembly>true</SignAssembly>
diff --git a/test/Confluent.Kafka.Benchmark/Confluent.Kafka.Benchmark.csproj b/test/Confluent.Kafka.Benchmark/Confluent.Kafka.Benchmark.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <ProjectTypeGuids>{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <AssemblyName>Confluent.Kafka.Benchmark</AssemblyName>
-    <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
     <OutputType>Exe</OutputType>
   </PropertyGroup>
 
diff --git a/test/Confluent.Kafka.IntegrationTests/Confluent.Kafka.IntegrationTests.csproj b/test/Confluent.Kafka.IntegrationTests/Confluent.Kafka.IntegrationTests.csproj
@@ -4,7 +4,7 @@
     <ProjectTypeGuids>{3AC096D0-A1C2-E12C-1390-A8335801FDAB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <TestProjectType>UnitTest</TestProjectType>
     <AssemblyName>Confluent.Kafka.IntegrationTests</AssemblyName>
-    <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
     <GenerateRuntimeConfigurationFiles>true</GenerateRuntimeConfigurationFiles>
   </PropertyGroup>
 
diff --git a/test/Confluent.Kafka.SyncOverAsync/Confluent.Kafka.SyncOverAsync.csproj b/test/Confluent.Kafka.SyncOverAsync/Confluent.Kafka.SyncOverAsync.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/test/Confluent.Kafka.TestsCommon/Confluent.Kafka.TestsCommon.csproj b/test/Confluent.Kafka.TestsCommon/Confluent.Kafka.TestsCommon.csproj
diff --git a/test/Confluent.Kafka.Transactions/Confluent.Kafka.Transactions.csproj b/test/Confluent.Kafka.Transactions/Confluent.Kafka.Transactions.csproj
diff --git a/test/Confluent.Kafka.UnitTests/Confluent.Kafka.UnitTests.csproj b/test/Confluent.Kafka.UnitTests/Confluent.Kafka.UnitTests.csproj
diff --git a/test/Confluent.Kafka.VerifiableClient/Confluent.Kafka.VerifiableClient.csproj b/test/Confluent.Kafka.VerifiableClient/Confluent.Kafka.VerifiableClient.csproj
diff --git a/test/Confluent.SchemaRegistry.IntegrationTests/Confluent.SchemaRegistry.IntegrationTests.csproj b/test/Confluent.SchemaRegistry.IntegrationTests/Confluent.SchemaRegistry.IntegrationTests.csproj
diff --git a/test/Confluent.SchemaRegistry.Serdes.IntegrationTests/Confluent.SchemaRegistry.Serdes.IntegrationTests.csproj b/test/Confluent.SchemaRegistry.Serdes.IntegrationTests/Confluent.SchemaRegistry.Serdes.IntegrationTests.csproj
diff --git a/test/Confluent.SchemaRegistry.Serdes.UnitTests/Confluent.SchemaRegistry.Serdes.UnitTests.csproj b/test/Confluent.SchemaRegistry.Serdes.UnitTests/Confluent.SchemaRegistry.Serdes.UnitTests.csproj
diff --git a/test/Confluent.SchemaRegistry.UnitTests/Confluent.SchemaRegistry.UnitTests.csproj b/test/Confluent.SchemaRegistry.UnitTests/Confluent.SchemaRegistry.UnitTests.csproj
