diff --git a/DEPS b/DEPS
index 167db7adae6..a20107b94a2 100644
--- a/DEPS
+++ b/DEPS
@@ -34,12 +34,12 @@ vars = {
   # Dart is: https://github.com/dart-lang/sdk/blob/master/DEPS.
   # You can use //tools/dart/create_updated_flutter_deps.py to produce
   # updated revision list of existing dependencies.
-  'dart_revision': '810d85d4cf8929dbe499f213a9c99a100f49fa1e',
+  'dart_revision': 'db5dc11b9b27d8fa0b4f9e2d1879829d058c80e8',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
   'dart_args_tag': '1.5.3',
-  'dart_async_tag': '2.0.8',
+  'dart_async_tag': '2.4.1',
   'dart_bazel_worker_tag': 'v0.1.22',
   'dart_boolean_selector_tag': '1.0.4',
   'dart_boringssl_gen_rev': 'b9e27cff1ff0803e97ab1f88764a83be4aa94a6d',