diff --git a/pubspec.yaml b/pubspec.yaml
index 834bc9a2..276ce2f7 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: opencv_dart
 description: "OpenCV4 bindings for Dart language and Flutter, using dart:ffi. The most complete OpenCV bindings for Dart!"
-version: 2.0.0-dev.3
+version: 2.0.0-dev.4
 homepage: https://github.com/rainyl/opencv_dart
 
 environment: