diff --git a/ios/Flutter/.last_build_id b/ios/Flutter/.last_build_id
index a7e47dbe3..2eaf14dc3 100644
--- a/ios/Flutter/.last_build_id
+++ b/ios/Flutter/.last_build_id
@@ -1 +1 @@
-8e2b6b4979a025927b6d5903ffe64abd
\ No newline at end of file
+660cd84b0559f41eea21863dd9242d03
\ No newline at end of file
diff --git a/pubspec.lock b/pubspec.lock
index a946b7a2c..16b4e0fa5 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -29,6 +29,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.0"
+  characters:
+    dependency: transitive
+    description:
+      name: characters
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
   charcode:
     dependency: transitive
     description:
@@ -596,5 +603,5 @@ packages:
     source: hosted
     version: "2.2.1"
 sdks:
-  dart: ">=2.7.0 <3.0.0"
+  dart: ">=2.9.0-14.0.dev <3.0.0"
   flutter: ">=1.13.8 <2.0.0"