diff --git a/README.md b/README.md
index a753fcad..deea91eb 100644
--- a/README.md
+++ b/README.md
@@ -102,7 +102,7 @@ introduced with new major versions. As a result of this policy, you can (and
 should) specify a dependency on this gem using the [Pessimistic Version
 Constraint][pvc] with two digits of precision. For example:
 
-    spec.add_dependency 'middleman-core', '~> 3.0'
+    spec.add_dependency 'middleman-core', '~> 4.0'
 
 [semver]: http://semver.org/
 [pvc]: http://docs.rubygems.org/read/chapter/16#page74