diff --git a/Sources/HTTPResponseDate/HTTPURLResponse+DateHeader.swift b/Sources/HTTPResponseDate/HTTPURLResponse+DateHeader.swift
index 0bb3dcd..fe60b08 100644
--- a/Sources/HTTPResponseDate/HTTPURLResponse+DateHeader.swift
+++ b/Sources/HTTPResponseDate/HTTPURLResponse+DateHeader.swift
@@ -1,17 +1,21 @@
 import Foundation
 
+#if canImport(FoundationNetworking)
+import class FoundationNetworking.HTTPURLResponse
+#endif
+
 public extension HTTPURLResponse {
 	private static let dateFormatters = [
 		// GMT is required in all timestamps, but section 19.3 of RFC 2616 requires clients to convert timestamps incorrectly given with a different time zone into GMT.
 
 		// RFC 1123
 		"EEE, dd MMM yyyy HH:mm:ss z",
-		
+
 		// RFC 850
 		"EEEE, dd-MMM-yy HH:mm:ss z",
-		
+
 		// ANSI C's asctime() format
-		"EEE MMM d HH:mm:ss yyyy"
+		"EEE MMM d HH:mm:ss yyyy",
 		]
 		.lazy // It's very unlikely that any DateFormatter beyond the first will be necessary.
 		.map { formatString -> DateFormatter in
@@ -21,27 +25,33 @@ public extension HTTPURLResponse {
 			formatter.dateFormat = formatString
 			return formatter
 	}
-	
+
 	/// The date that the response was sent.
 	/// - Note: This is parsed from the `date` header of the response according to [RFC 2616](https://tools.ietf.org/html/rfc2616#section-3.3.1).
 	var date: Date? {
 		// Servers are required to send a date header whenever possible. It isn't always possible.
 		let dateValue: String?
+
+		#if canImport(FoundationNetworking) && swift(<5.3) // See https://bugs.swift.org/browse/SR-12300
+		dateValue = allHeaderFields["date"] as? String
+		#else
 		if #available(iOS 13, macCatalyst 13, OSX 10.15, tvOS 13, watchOS 6, *) {
 			dateValue = value(forHTTPHeaderField: "date")
 		} else {
 			dateValue = allHeaderFields["Date"] as? String
 		}
+		#endif
+
 		guard let dateString = dateValue else {
 			return nil
 		}
-		
+
 		for dateFormatter in Self.dateFormatters {
 			if let date = dateFormatter.date(from: dateString) {
 				return date
 			}
 		}
-		
+
 		return nil
 	}
 }
diff --git a/Tests/HTTPResponseDateTests/HTTPResponseDateTests.swift b/Tests/HTTPResponseDateTests/HTTPResponseDateTests.swift
index 04e5248..822a8c4 100644
--- a/Tests/HTTPResponseDateTests/HTTPResponseDateTests.swift
+++ b/Tests/HTTPResponseDateTests/HTTPResponseDateTests.swift
@@ -2,6 +2,10 @@ import Foundation
 import HTTPResponseDate
 import XCTest
 
+#if canImport(FoundationNetworking)
+import class FoundationNetworking.HTTPURLResponse
+#endif
+
 final class HTTPResponseDateTests: XCTestCase {
 	/// A set of dates along with an `HTTPURLResponse` for each supported `date` header representation of them.
 	///
@@ -153,7 +157,20 @@ final class HTTPResponseDateTests: XCTestCase {
 	}
 
 	func testMalformedTimestampParsing() {
+		#if canImport(FoundationNetworking) // HTTPURLResponse.init isn't present in FoundationNetworking
+		XCTAssertNil(
+			HTTPURLResponse(
+				url: URL(string: "example.com")!,
+				statusCode: 0,
+				httpVersion: nil,
+				headerFields: nil
+				)!
+				.date
+		)
+		#else
 		XCTAssertNil(HTTPURLResponse().date)
+		#endif
+
 		XCTAssertNil(
 			HTTPURLResponse(
 				url: URL(string: "example.com")!,