diff --git a/DEPS b/DEPS
index f1997afc2a2..fd4acf2375d 100644
--- a/DEPS
+++ b/DEPS
@@ -35,7 +35,7 @@ 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': '67be110b5ba8fc84af5e7136389e52a13ccbc9d5',
+  'dart_revision': '3a8c551ec08e821101cc9f6a368608f664339956',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -158,7 +158,7 @@ deps = {
    Var('dart_git') + '/args.git@d8fea36c10ef96797be02e3d132d572445cd86f4',
 
   'src/third_party/dart/third_party/pkg/async':
-   Var('dart_git') + '/async.git@49464c342fe64c8632223ce3475364d163fb0623',
+   Var('dart_git') + '/async.git@92e7119aa068bfb86a6a9519d44037ffff5eece8',
 
   'src/third_party/dart/third_party/pkg/bazel_worker':
    Var('dart_git') + '/bazel_worker.git@0885637b037979afbf5bcd05fd748b309fd669c0',