diff --git a/CHANGELOG.md b/CHANGELOG.md
index 21f1069e..d8fc1470 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 1.0.0-alpha.10
+## 1.0.0-beta.1
 
 * Drop support for the reference combinator. This has been removed from the
   spec, and will be deprecated and eventually removed in other implementations.
diff --git a/pubspec.yaml b/pubspec.yaml
index b4d1f770..a2285baa 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: sass
-version: 1.0.0-dev
+version: 1.0.0-beta.1
 description: A Sass implementation in Dart.
 author: Dart Team <misc@dartlang.org>
 homepage: https://github.com/sass/dart-sass