diff --git a/.autover/changes/162006ac-8789-42fc-a36b-a68119f3885b.json b/.autover/changes/162006ac-8789-42fc-a36b-a68119f3885b.json
new file mode 100644
index 000000000..b005d414f
--- /dev/null
+++ b/.autover/changes/162006ac-8789-42fc-a36b-a68119f3885b.json
@@ -0,0 +1,11 @@
+{
+  "Projects": [
+    {
+      "Name": "Amazon.Lambda.Annotations",
+      "Type": "Minor",
+      "ChangelogMessages": [
+        "Prepare Amazon.Lambda.Annotations for upcoming .NET 10 managed runtime"
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/Libraries/src/Amazon.Lambda.Annotations.SourceGenerator/Generator.cs b/Libraries/src/Amazon.Lambda.Annotations.SourceGenerator/Generator.cs
index 69ef75620..3001b6144 100644
--- a/Libraries/src/Amazon.Lambda.Annotations.SourceGenerator/Generator.cs
+++ b/Libraries/src/Amazon.Lambda.Annotations.SourceGenerator/Generator.cs
@@ -16,7 +16,6 @@ namespace Amazon.Lambda.Annotations.SourceGenerator
     [Generator]
     public class Generator : ISourceGenerator
     {
-        private const string DEFAULT_LAMBDA_SERIALIZER = "Amazon.Lambda.Serialization.SystemTextJson.DefaultLambdaJsonSerializer";
         private readonly IFileManager _fileManager = new FileManager();
         private readonly IDirectoryManager _directoryManager = new DirectoryManager();
 
@@ -26,7 +25,8 @@ public class Generator : ISourceGenerator
         internal static readonly Dictionary<string, string> _targetFrameworksToRuntimes = new Dictionary<string, string>(2)
         {
             { "net6.0", "dotnet6" },
-            { "net8.0", "dotnet8" }
+            { "net8.0", "dotnet8" },
+            { "net10.0", "dotnet10" }
         };
 
         internal static readonly List<string> _allowedRuntimeValues = new List<string>(4)
@@ -34,7 +34,8 @@ public class Generator : ISourceGenerator
             "dotnet6",
             "provided.al2",
             "provided.al2023",
-            "dotnet8"
+            "dotnet8",
+            "dotnet10"
         };
 
         public Generator()
diff --git a/Libraries/src/Amazon.Lambda.Annotations/LambdaGlobalPropertiesAttribute.cs b/Libraries/src/Amazon.Lambda.Annotations/LambdaGlobalPropertiesAttribute.cs
index 5bdd71ef0..dfaa46334 100644
--- a/Libraries/src/Amazon.Lambda.Annotations/LambdaGlobalPropertiesAttribute.cs
+++ b/Libraries/src/Amazon.Lambda.Annotations/LambdaGlobalPropertiesAttribute.cs
@@ -1,4 +1,4 @@
-
+
 using System;
 
 namespace Amazon.Lambda.Annotations
@@ -17,8 +17,8 @@ public class LambdaGlobalPropertiesAttribute : Attribute
         public bool GenerateMain { get; set; }
 
         /// <summary>
-        /// The runtime to set in the generated CloudFormation template. Either 'dotnet6', 'provided.al2', 'provided.al2023', or 'dotnet8'.
+        /// The runtime to set in the generated CloudFormation template. Either 'dotnet6', 'provided.al2', 'provided.al2023', 'dotnet8', or 'dotnet10'.
         /// </summary>
         public string Runtime { get; set; }
     }
-}
\ No newline at end of file
+}
diff --git a/Libraries/test/Amazon.Lambda.Annotations.SourceGenerators.Tests/SourceGeneratorTests.cs b/Libraries/test/Amazon.Lambda.Annotations.SourceGenerators.Tests/SourceGeneratorTests.cs
index 640da8e9e..8258d884c 100644
--- a/Libraries/test/Amazon.Lambda.Annotations.SourceGenerators.Tests/SourceGeneratorTests.cs
+++ b/Libraries/test/Amazon.Lambda.Annotations.SourceGenerators.Tests/SourceGeneratorTests.cs
@@ -264,7 +264,7 @@ public async Task TestInvalidGlobalRuntime_ShouldError()
                     },
                     ExpectedDiagnostics =
                     {
-                        new DiagnosticResult("AWSLambda0112", DiagnosticSeverity.Error).WithMessage("The runtime selected in the Amazon.Lambda.Annotations.LambdaGlobalPropertiesAttribute is not a supported value. The valid values are: dotnet6, provided.al2, provided.al2023, dotnet8"),
+                        new DiagnosticResult("AWSLambda0112", DiagnosticSeverity.Error).WithMessage("The runtime selected in the Amazon.Lambda.Annotations.LambdaGlobalPropertiesAttribute is not a supported value. The valid values are: dotnet6, provided.al2, provided.al2023, dotnet8, dotnet10"),
                     }
                 }
             };