Prepare to publish (#174)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index da9bb62..a2c9f95 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 2.1.0-dev
+## 2.1.0
 
 - Add `IOWebSocketChannel.innerWebSocket` getter to access features not exposed
   through the shared `WebSocketChannel` interface.
diff --git a/pubspec.yaml b/pubspec.yaml
index 5e40dcc..6d61fb3 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: web_socket_channel
-version: 2.1.0-dev
+version: 2.1.0
 
 description: >-
   StreamChannel wrappers for WebSockets. Provides a cross-platform