diff --git a/lockfile.json b/lockfile.json
index 1f11b5642..d9bf5c9df 100644
--- a/lockfile.json
+++ b/lockfile.json
@@ -45,7 +45,7 @@
     "revision": "c2fbf21bd3aa45495fe13247e040ad5815250032"
   },
   "dart": {
-    "revision": "c667fd401c736e208c73b7bb9267557b67b23491"
+    "revision": "53485a8f301254e19c518aa20c80f1bcf7cf5c62"
   },
   "devicetree": {
     "revision": "ea30a05d0f0446a96d8b096ad11828ad4f8ad849"