Updated dev branch to revision 2.16.0-40.0.dev
diff --git a/Formula/dart.rb b/Formula/dart.rb
index cc409c5..c6c222b 100644
--- a/Formula/dart.rb
+++ b/Formula/dart.rb
@@ -6,28 +6,28 @@
   homepage "https://dart.dev"
 
   head do
-    version "2.16.0-21.0.dev"
+    version "2.16.0-40.0.dev"
     if OS.mac? && Hardware::CPU.intel?
-      url "https://storage.googleapis.com/dart-archive/channels/dev/release/2.16.0-21.0.dev/sdk/dartsdk-macos-x64-release.zip"
-      sha256 "414a4fe36bb7d1e9243fc7bda0e0094f7c53adbe1776467fdf70d9e8ee3882df"
+      url "https://storage.googleapis.com/dart-archive/channels/dev/release/2.16.0-40.0.dev/sdk/dartsdk-macos-x64-release.zip"
+      sha256 "2573f72238e64fed6e97e92d6db4320843613d0adb3359031c263f99dc745a18"
     elsif OS.mac? && Hardware::CPU.arm?
-      url "https://storage.googleapis.com/dart-archive/channels/dev/release/2.16.0-21.0.dev/sdk/dartsdk-macos-arm64-release.zip"
-      sha256 "892485c932a89df76b0f448a778ac20ae02bc41a29bdf43b2cc09cca0b978d60"
+      url "https://storage.googleapis.com/dart-archive/channels/dev/release/2.16.0-40.0.dev/sdk/dartsdk-macos-arm64-release.zip"
+      sha256 "8b273e5e6a2daadf303a332bb1da4c294616b2059a489aa89476d18737d59ad2"
     elsif OS.linux? && Hardware::CPU.intel?
       if Hardware::CPU.is_64_bit?
-        url "https://storage.googleapis.com/dart-archive/channels/dev/release/2.16.0-21.0.dev/sdk/dartsdk-linux-x64-release.zip"
-        sha256 "be227de8b7b31625efcb280827d09a4b1246f30fc3ad617d99efcfdac043556a"
+        url "https://storage.googleapis.com/dart-archive/channels/dev/release/2.16.0-40.0.dev/sdk/dartsdk-linux-x64-release.zip"
+        sha256 "3686e2d90151cc5408462d1d4ebdfb3a6680bd396e9a45388d36d96147d6b74d"
       else
-        url "https://storage.googleapis.com/dart-archive/channels/dev/release/2.16.0-21.0.dev/sdk/dartsdk-linux-ia32-release.zip"
-        sha256 "7e5f321200014785de96718b3750bd05388ed672a2a8ca0c72e2414fde098fd4"
+        url "https://storage.googleapis.com/dart-archive/channels/dev/release/2.16.0-40.0.dev/sdk/dartsdk-linux-ia32-release.zip"
+        sha256 "c2bd0b3772f2de42278944b7ca5d7e6d54757106e85e9d9d1589015907871726"
       end
     elsif OS.linux? && Hardware::CPU.arm?
       if Hardware::CPU.is_64_bit?
-        url "https://storage.googleapis.com/dart-archive/channels/dev/release/2.16.0-21.0.dev/sdk/dartsdk-linux-arm64-release.zip"
-        sha256 "b0707212dbb72e3be87dc740db08f2a4d3d8a91f63fe7d4408782f10325a2417"
+        url "https://storage.googleapis.com/dart-archive/channels/dev/release/2.16.0-40.0.dev/sdk/dartsdk-linux-arm64-release.zip"
+        sha256 "3b39039d93cf46f60fee10b4181c11b2c71daa9ffabfe44fad13a017744aed8f"
       else
-        url "https://storage.googleapis.com/dart-archive/channels/dev/release/2.16.0-21.0.dev/sdk/dartsdk-linux-arm-release.zip"
-        sha256 "7c42212179aa53149b46dfa03711f880e9a637fff8d17c56379f9b7074fdc8bf"
+        url "https://storage.googleapis.com/dart-archive/channels/dev/release/2.16.0-40.0.dev/sdk/dartsdk-linux-arm-release.zip"
+        sha256 "0d12e5148f75530f33f2a28aa5e315969942ac1a5203ec178485e6558c61f4c1"
       end
     end
   end