Update version numbers.
diff --git a/pubspec.yaml b/pubspec.yaml
index 6c99409..1b98699 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: webkit_inspection_protocol
-version: 0.2.0+1
+version: 0.2.1
 description: A client for the Webkit Inspection Protocol (WIP).
 
 homepage: https://github.com/google/webkit_inspection_protocol.dart
@@ -10,10 +10,10 @@
 environment:
   sdk: '>=1.10.0 <2.0.0'
 dependencies:
-  args: '^0.13.2'
-  logging: '^0.11.1'
-  shelf: '^0.6.5'
-  shelf_web_socket: '^0.1.0'
+  args: '^0.13.0'
+  logging: '^0.11.0'
+  shelf: '^0.6.0'
+  shelf_web_socket: '^0.2.0'
 dev_dependencies:
-  shelf_static: '^0.2.3'
-  test: '^0.12.3'
+  shelf_static: '^0.2.0'
+  test: '^0.12.0'