diff --git a/CHANGELOG.md b/CHANGELOG.md
index a221c81..6279653 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.0.6
+
+* Internal changes only.
+
 ## 2.0.5
 
 * Internal changes only.
diff --git a/pubspec.yaml b/pubspec.yaml
index 64c7ce7..b841c4d 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: json_rpc_2
-version: 2.0.5
+version: 2.0.6
 author: Dart Team <misc@dartlang.org>
 description: An implementation of the JSON-RPC 2.0 spec.
 homepage: http://github.com/dart-lang/json_rpc_2
diff --git a/test/server/utils.dart b/test/server/utils.dart
index ca2b277..dffb384 100644
--- a/test/server/utils.dart
+++ b/test/server/utils.dart
@@ -36,7 +36,7 @@
 
   /// Passes [request], a JSON-encoded request, to [server] and returns its
   /// encoded response.
-  Future handleJsonRequest(String request) {
+  Future<String> handleJsonRequest(String request) {
     _requestController.add(request);
     return _responseController.stream.first;
   }