prepare to publish
diff --git a/pubspec.yaml b/pubspec.yaml
index 2922e0b..b2802ba 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: csslib
-version: 0.15.0-dev
+version: 0.15.0
 
 description: A library for parsing CSS.
 author: Dart Team <misc@dartlang.org>