diff --git a/webdev/README.md b/webdev/README.md
index 10d12779b..2ba707f01 100644
--- a/webdev/README.md
+++ b/webdev/README.md
@@ -2,7 +2,7 @@ A command-line tool for developing and deploying web applications with Dart.
 
 ## Requirements
 
-The latest release of `webdev` requires Dart SDK `2.13.0` or later.
+The latest release of `webdev` requires Dart SDK `2.18.0` or later.
 
 To use `webdev` with a package, make sure you have entries in `pubspec.yaml`
 similar to: