diff --git a/protobuf/CHANGELOG.md b/protobuf/CHANGELOG.md
index 45dc6d37..10f28a09 100644
--- a/protobuf/CHANGELOG.md
+++ b/protobuf/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 4.0.0-dev
+## 4.0.0-wip
 
 * **Breaking:** The following types and members are now removed:
 
diff --git a/protobuf/pubspec.yaml b/protobuf/pubspec.yaml
index e69fa3d9..64d763f0 100644
--- a/protobuf/pubspec.yaml
+++ b/protobuf/pubspec.yaml
@@ -1,5 +1,5 @@
 name: protobuf
-version: 4.0.0-dev
+version: 4.0.0-wip
 description: >-
   Runtime library for protocol buffers support. Use with package:protoc_plugin
   to generate Dart code for your '.proto' files.
diff --git a/protoc_plugin/CHANGELOG.md b/protoc_plugin/CHANGELOG.md
index b3079ef8..b3c6f384 100644
--- a/protoc_plugin/CHANGELOG.md
+++ b/protoc_plugin/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 22.0.0-dev
+## 22.0.0-wip
 
 * Remove `PbEventMixin` mixin. ([#738])
 * Type of repeated fields is now `PbList` (instead of `List`), type of map
diff --git a/protoc_plugin/pubspec.yaml b/protoc_plugin/pubspec.yaml
index 0c70bfec..b2eb5a0a 100644
--- a/protoc_plugin/pubspec.yaml
+++ b/protoc_plugin/pubspec.yaml
@@ -1,5 +1,5 @@
 name: protoc_plugin
-version: 22.0.0-dev
+version: 22.0.0-wip
 description: A protobuf protoc compiler plugin used to generate Dart code.
 repository: https://github.com/google/protobuf.dart/tree/master/protoc_plugin