diff --git a/Sources/AWSLambdaEvents/ALB.swift b/Sources/AWSLambdaEvents/ALB.swift
index 2d4cb2e..d45eb77 100644
--- a/Sources/AWSLambdaEvents/ALB.swift
+++ b/Sources/AWSLambdaEvents/ALB.swift
@@ -14,7 +14,11 @@
 
 import HTTPTypes
 
-import class Foundation.JSONEncoder
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
+import Foundation
+#endif
 
 // https://github.com/aws/aws-lambda-go/blob/master/events/alb.go
 /// `ALBTargetGroupRequest` contains data originating from the ALB Lambda target group integration.
diff --git a/Sources/AWSLambdaEvents/APIGateway.swift b/Sources/AWSLambdaEvents/APIGateway.swift
index 87e0251..e2a18f1 100644
--- a/Sources/AWSLambdaEvents/APIGateway.swift
+++ b/Sources/AWSLambdaEvents/APIGateway.swift
@@ -14,7 +14,11 @@
 
 import HTTPTypes
 
-import class Foundation.JSONEncoder
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
+import Foundation
+#endif
 
 // https://docs.aws.amazon.com/lambda/latest/dg/services-apigateway.html
 // https://docs.aws.amazon.com/apigateway/latest/developerguide/set-up-lambda-proxy-integrations.html
diff --git a/Sources/AWSLambdaEvents/Cloudwatch.swift b/Sources/AWSLambdaEvents/Cloudwatch.swift
index d814266..36e4010 100644
--- a/Sources/AWSLambdaEvents/Cloudwatch.swift
+++ b/Sources/AWSLambdaEvents/Cloudwatch.swift
@@ -12,10 +12,10 @@
 //
 //===----------------------------------------------------------------------===//
 
-#if canImport(Darwin)
-import struct Foundation.Date
+#if canImport(FoundationEssentials)
+import FoundationEssentials
 #else
-@preconcurrency import struct Foundation.Date
+import Foundation
 #endif
 
 /// EventBridge has the same events/notification types as CloudWatch
diff --git a/Sources/AWSLambdaEvents/DynamoDB.swift b/Sources/AWSLambdaEvents/DynamoDB.swift
index 438b920..df27642 100644
--- a/Sources/AWSLambdaEvents/DynamoDB.swift
+++ b/Sources/AWSLambdaEvents/DynamoDB.swift
@@ -12,10 +12,10 @@
 //
 //===----------------------------------------------------------------------===//
 
-#if canImport(Darwin)
-import struct Foundation.Date
+#if canImport(FoundationEssentials)
+import FoundationEssentials
 #else
-@preconcurrency import struct Foundation.Date
+import Foundation
 #endif
 
 // https://docs.aws.amazon.com/lambda/latest/dg/with-ddb.html
diff --git a/Sources/AWSLambdaEvents/FunctionURL.swift b/Sources/AWSLambdaEvents/FunctionURL.swift
index b469e89..d267a9a 100644
--- a/Sources/AWSLambdaEvents/FunctionURL.swift
+++ b/Sources/AWSLambdaEvents/FunctionURL.swift
@@ -13,7 +13,11 @@
 //===----------------------------------------------------------------------===//
 import HTTPTypes
 
-import class Foundation.JSONEncoder
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
+import Foundation
+#endif
 
 // https://docs.aws.amazon.com/lambda/latest/dg/urls-invocation.html
 
diff --git a/Sources/AWSLambdaEvents/S3.swift b/Sources/AWSLambdaEvents/S3.swift
index 5a64cb6..40e0525 100644
--- a/Sources/AWSLambdaEvents/S3.swift
+++ b/Sources/AWSLambdaEvents/S3.swift
@@ -12,7 +12,11 @@
 //
 //===----------------------------------------------------------------------===//
 
-import struct Foundation.Date
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
+import Foundation
+#endif
 
 // https://docs.aws.amazon.com/lambda/latest/dg/with-s3.html
 
diff --git a/Sources/AWSLambdaEvents/SES.swift b/Sources/AWSLambdaEvents/SES.swift
index b099c8a..caff43a 100644
--- a/Sources/AWSLambdaEvents/SES.swift
+++ b/Sources/AWSLambdaEvents/SES.swift
@@ -12,7 +12,11 @@
 //
 //===----------------------------------------------------------------------===//
 
-import struct Foundation.Date
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
+import Foundation
+#endif
 
 // https://docs.aws.amazon.com/lambda/latest/dg/services-ses.html
 
diff --git a/Sources/AWSLambdaEvents/SNS.swift b/Sources/AWSLambdaEvents/SNS.swift
index 1ef0a30..31fa291 100644
--- a/Sources/AWSLambdaEvents/SNS.swift
+++ b/Sources/AWSLambdaEvents/SNS.swift
@@ -12,7 +12,11 @@
 //
 //===----------------------------------------------------------------------===//
 
-import struct Foundation.Date
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
+import Foundation
+#endif
 
 // https://docs.aws.amazon.com/lambda/latest/dg/with-sns.html
 
diff --git a/Sources/AWSLambdaEvents/Utils/DateWrappers.swift b/Sources/AWSLambdaEvents/Utils/DateWrappers.swift
index 3daa93f..afcd22a 100644
--- a/Sources/AWSLambdaEvents/Utils/DateWrappers.swift
+++ b/Sources/AWSLambdaEvents/Utils/DateWrappers.swift
@@ -12,14 +12,11 @@
 //
 //===----------------------------------------------------------------------===//
 
-#if canImport(Darwin)
-import struct Foundation.Date
+#if canImport(FoundationEssentials)
+import FoundationEssentials
 #else
-@preconcurrency import struct Foundation.Date
+import Foundation
 #endif
-import class Foundation.DateFormatter
-import struct Foundation.Locale
-import struct Foundation.TimeZone
 
 @propertyWrapper
 public struct ISO8601Coding: Decodable, Sendable {