diff --git a/protobuf/CHANGELOG.md b/protobuf/CHANGELOG.md
index 77c583c..43350ea 100644
--- a/protobuf/CHANGELOG.md
+++ b/protobuf/CHANGELOG.md
@@ -1,5 +1,6 @@
-## 2.0.1-dev
+## 2.0.1
 
+* Fix bug of parsing map-values with default values.
 * Merge fixes from version `1.1.2` - `1.1.4` into v2.
 
 ## 2.0.0
diff --git a/protobuf/pubspec.yaml b/protobuf/pubspec.yaml
index b89daa1..d57bb9b 100644
--- a/protobuf/pubspec.yaml
+++ b/protobuf/pubspec.yaml
@@ -1,5 +1,5 @@
 name: protobuf
-version: 2.0.1-dev
+version: 2.0.1
 description: >-
   Runtime library for protocol buffers support.
   Use https://pub.dev/packages/protoc_plugin to generate dart code for your '.proto' files.
@@ -17,3 +17,4 @@
   benchmark_harness: ^2.0.0
   js: ^0.6.3
   lints: ^1.0.0
+  matcher: ^0.12.11