diff --git a/DEPS b/DEPS
index db965c6f8d129..d2037676b9916 100644
--- a/DEPS
+++ b/DEPS
@@ -31,7 +31,7 @@ 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': '15b11b018364ce032eae50d78fc8a52b541e2bce',
+  'dart_revision': 'a8f3a5dae6203d1064726a5953cf06a7d484249c',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -46,21 +46,21 @@ vars = {
   'dart_collection_tag': '1.14.11',
   'dart_convert_tag': '2.0.2',
   'dart_crypto_tag': '2.0.6',
-  'dart_csslib_tag': '0.14.4+1',
+  'dart_csslib_tag': '0.15.0',
   'dart_dart2js_info_tag': '0.6.0',
   'dart_dart_style_tag': '1.2.7',
   'dart_dartdoc_tag': 'v0.28.2',
   'dart_fixnum_tag': '0.10.9',
   'dart_glob_tag': '1.1.7',
-  'dart_html_tag': '0.14.0',
+  'dart_html_tag': '0.14.0+1',
   'dart_http_multi_server_tag': '2.0.5',
   'dart_http_parser_tag': '3.1.3',
   'dart_http_retry_tag': '0.1.1',
-  'dart_http_tag': '0.12.0',
+  'dart_http_tag': '0.12.0+2',
   'dart_http_throttle_tag': '1.0.2',
   'dart_intl_tag': '0.15.7',
   'dart_json_rpc_2_tag': '2.0.9',
-  'dart_linter_tag': '0.1.85',
+  'dart_linter_tag': '0.1.86',
   'dart_logging_tag': '0.11.3+2',
   'dart_markdown_tag': '2.0.2',
   'dart_matcher_tag': '0.12.3',
@@ -72,6 +72,7 @@ vars = {
   'dart_package_config_tag': '1.0.5',
   'dart_package_resolver_tag': '1.0.10',
   'dart_path_tag': '1.6.2',
+  'dart_pedantic_tag': 'v1.5.0',
   'dart_pool_tag': '1.3.6',
   'dart_protobuf_rev': '0c77167b16d00b561a6055bfe26690af7f26ae88',
   'dart_pub_rev': '8c363fe26f059c3063f1129adbb3c4e22a8ce954',
@@ -87,11 +88,11 @@ vars = {
   'dart_source_maps_tag': '8af7cc1a1c3a193c1fba5993ce22a546a319c40e',
   'dart_source_span_tag': '1.5.5',
   'dart_stack_trace_tag': '1.9.3',
-  'dart_stream_channel_tag': '1.6.8',
+  'dart_stream_channel_tag': '2.0.0',
   'dart_string_scanner_tag': '1.0.3',
   'dart_term_glyph_tag': '1.0.1',
   'dart_test_reflective_loader_tag': '0.1.8',
-  'dart_test_tag': '1.3.4',
+  'dart_test_tag': 'test-v1.6.1',
   'dart_typed_data_tag': '1.1.6',
   'dart_usage_tag': '3.4.0',
   'dart_watcher_rev': '0.9.7+12',
@@ -277,6 +278,9 @@ deps = {
   'src/third_party/dart/third_party/pkg/path':
    Var('dart_git') + '/path.git' + '@' + Var('dart_path_tag'),
 
+  'src/third_party/dart/third_party/pkg/pedantic':
+   Var('dart_git') + '/pedantic.git' + '@' + Var('dart_pedantic_tag'),
+
   'src/third_party/dart/third_party/pkg/pool':
    Var('dart_git') + '/pool.git' + '@' + Var('dart_pool_tag'),
 
diff --git a/ci/licenses_golden/licenses_third_party b/ci/licenses_golden/licenses_third_party
index ea4c2e9ba7287..93d45caaff651 100644
--- a/ci/licenses_golden/licenses_third_party
+++ b/ci/licenses_golden/licenses_third_party
@@ -1,4 +1,4 @@
-Signature: 866085660a05bb407caffc09636cbd32
+Signature: 0b5f95400c9ee9dddb24d60108d1f4f3
 
 UNUSED LICENSES:
 
@@ -5174,6 +5174,7 @@ FILE: ../../../third_party/dart/runtime/vm/compiler/stub_code_compiler_arm64.cc
 FILE: ../../../third_party/dart/runtime/vm/compiler/stub_code_compiler_dbc.cc
 FILE: ../../../third_party/dart/runtime/vm/compiler/stub_code_compiler_ia32.cc
 FILE: ../../../third_party/dart/runtime/vm/compiler/stub_code_compiler_x64.cc
+FILE: ../../../third_party/dart/runtime/vm/constants_arm.cc
 FILE: ../../../third_party/dart/runtime/vm/constants_arm64.cc
 FILE: ../../../third_party/dart/runtime/vm/constants_ia32.cc
 FILE: ../../../third_party/dart/runtime/vm/constants_x64.cc