diff --git a/Package.swift b/Package.swift
index 962a3cee..ce0fad78 100644
--- a/Package.swift
+++ b/Package.swift
@@ -15,7 +15,7 @@ let package = Package(
         .library(name: "AWSLambdaTesting", targets: ["AWSLambdaTesting"]),
     ],
     dependencies: [
-        .package(url: "https://github.com/apple/swift-nio.git", .upToNextMajor(from: "2.30.0")),
+        .package(url: "https://github.com/apple/swift-nio.git", .upToNextMajor(from: "2.32.0")),
         .package(url: "https://github.com/apple/swift-log.git", .upToNextMajor(from: "1.4.2")),
         .package(url: "https://github.com/swift-server/swift-backtrace.git", .upToNextMajor(from: "1.2.3")),
     ],
@@ -29,6 +29,7 @@ let package = Package(
             .product(name: "Logging", package: "swift-log"),
             .product(name: "Backtrace", package: "swift-backtrace"),
             .product(name: "NIOHTTP1", package: "swift-nio"),
+            .product(name: "NIO", package: "swift-nio"),
             .product(name: "_NIOConcurrency", package: "swift-nio"),
         ]),
         .testTarget(name: "AWSLambdaRuntimeCoreTests", dependencies: [
@@ -51,6 +52,7 @@ let package = Package(
         // for perf testing
         .target(name: "MockServer", dependencies: [
             .product(name: "NIOHTTP1", package: "swift-nio"),
+            .product(name: "NIO", package: "swift-nio"),
         ]),
         .target(name: "StringSample", dependencies: ["AWSLambdaRuntime"]),
         .target(name: "CodableSample", dependencies: ["AWSLambdaRuntime"]),
diff --git a/Sources/AWSLambdaRuntimeCore/LambdaHandler.swift b/Sources/AWSLambdaRuntimeCore/LambdaHandler.swift
index a211b066..2c29f2a1 100644
--- a/Sources/AWSLambdaRuntimeCore/LambdaHandler.swift
+++ b/Sources/AWSLambdaRuntimeCore/LambdaHandler.swift
@@ -12,6 +12,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+import _NIOConcurrency
 import Dispatch
 import NIO
 
@@ -87,7 +88,7 @@ extension LambdaHandler {
 
 // MARK: - AsyncLambdaHandler
 
-#if compiler(>=5.5)
+#if compiler(>=5.5) && canImport(_Concurrency)
 /// Strongly typed, processing protocol for a Lambda that takes a user defined `In` and returns a user defined `Out` async.
 @available(macOS 12, iOS 15, tvOS 15, watchOS 8, *)
 public protocol AsyncLambdaHandler: EventLoopLambdaHandler {
@@ -114,7 +115,7 @@ public protocol AsyncLambdaHandler: EventLoopLambdaHandler {
 extension AsyncLambdaHandler {
     public func handle(context: Lambda.Context, event: In) -> EventLoopFuture<Out> {
         let promise = context.eventLoop.makePromise(of: Out.self)
-        promise.completeWithAsync {
+        promise.completeWithTask {
             try await self.handle(event: event, context: context)
         }
         return promise.futureResult
@@ -126,7 +127,7 @@ extension AsyncLambdaHandler {
     public static func main() {
         Lambda.run { context -> EventLoopFuture<ByteBufferLambdaHandler> in
             let promise = context.eventLoop.makePromise(of: ByteBufferLambdaHandler.self)
-            promise.completeWithAsync {
+            promise.completeWithTask {
                 try await Self(context: context)
             }
             return promise.futureResult
diff --git a/Tests/AWSLambdaRuntimeCoreTests/LambdaHandlerTest.swift b/Tests/AWSLambdaRuntimeCoreTests/LambdaHandlerTest.swift
index 3406d52f..ce4c21f4 100644
--- a/Tests/AWSLambdaRuntimeCoreTests/LambdaHandlerTest.swift
+++ b/Tests/AWSLambdaRuntimeCoreTests/LambdaHandlerTest.swift
@@ -79,7 +79,7 @@ class LambdaHandlerTest: XCTestCase {
         assertLambdaLifecycleResult(result, shoudHaveRun: maxTimes)
     }
 
-    #if compiler(>=5.5)
+    #if compiler(>=5.5) && canImport(_Concurrency)
 
     // MARK: - AsyncLambdaHandler
 
diff --git a/docker/docker-compose.al2.56.yaml b/docker/docker-compose.al2.56.yaml
new file mode 100644
index 00000000..561ea804
--- /dev/null
+++ b/docker/docker-compose.al2.56.yaml
@@ -0,0 +1,18 @@
+version: "3"
+
+services:
+
+  runtime-setup:
+    image: swift-aws-lambda:al2-5.6
+    build:
+      args:
+        swift_version: "5.6"
+
+  test:
+    image: swift-aws-lambda:al2-5.6
+
+  test-samples:
+    image: swift-aws-lambda:al2-5.6
+
+  shell:
+    image: swift-aws-lambda:al2-5.6
diff --git a/docker/docker-compose.al2.57.yaml b/docker/docker-compose.al2.57.yaml
new file mode 100644
index 00000000..0e280837
--- /dev/null
+++ b/docker/docker-compose.al2.57.yaml
@@ -0,0 +1,18 @@
+version: "3"
+
+services:
+
+  runtime-setup:
+    image: swift-aws-lambda:al2-5.7
+    build:
+      args:
+        base_image: "swiftlang/swift:nightly-main-amazonlinux2"
+
+  test:
+    image: swift-aws-lambda:al2-5.7
+
+  test-samples:
+    image: swift-aws-lambda:al2-5.7
+
+  shell:
+    image: swift-aws-lambda:al2-5.7