diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -79,6 +79,7 @@
     'PhutilAWSEC2Future' => 'future/aws/PhutilAWSEC2Future.php',
     'PhutilAWSException' => 'future/aws/PhutilAWSException.php',
     'PhutilAWSFuture' => 'future/aws/PhutilAWSFuture.php',
+    'PhutilAWSS3Future' => 'future/aws/PhutilAWSS3Future.php',
     'PhutilAggregateException' => 'error/PhutilAggregateException.php',
     'PhutilArgumentParser' => 'parser/argument/PhutilArgumentParser.php',
     'PhutilArgumentParserException' => 'parser/argument/exception/PhutilArgumentParserException.php',
@@ -508,6 +509,7 @@
     'PhutilAWSEC2Future' => 'PhutilAWSFuture',
     'PhutilAWSException' => 'Exception',
     'PhutilAWSFuture' => 'FutureProxy',
+    'PhutilAWSS3Future' => 'PhutilAWSFuture',
     'PhutilAggregateException' => 'Exception',
     'PhutilArgumentParserException' => 'Exception',
     'PhutilArgumentParserTestCase' => 'PhutilTestCase',
diff --git a/src/future/aws/PhutilAWSS3Future.php b/src/future/aws/PhutilAWSS3Future.php
new file mode 100644
--- /dev/null
+++ b/src/future/aws/PhutilAWSS3Future.php
@@ -0,0 +1,12 @@
+<?php
+
+/**
+ * @group aws
+ */
+final class PhutilAWSS3Future extends PhutilAWSFuture {
+
+  public function getServiceName() {
+    return 's3';
+  }
+
+}