diff --git a/CHANGELOG.md b/CHANGELOG.md
index e86bd79f03db74bdf0f0e0e5427bd2fd02afec0b..080df7feb7ee7205b4f5ac29df760026168786bd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+# 3.3.0-pre
+- Support listening upload progress
+
 # 3.2.0
 - Fix response body utf-8 encoding [#14]
 
diff --git a/pubspec.yaml b/pubspec.yaml
index de4d2c94a87d08e334b2d331aaa8a72d3b73c75b..e492e3c39e5d6172ba3a9227eac42143dc2df3fa 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: minio
 description: Unofficial MinIO Dart Client SDK that provides simple APIs to access any Amazon S3 compatible object storage server.
-version: 3.2.0
+version: 3.3.0-pre
 homepage: https://github.com/xtyxtyx/minio-dart
 issue_tracker: https://github.com/xtyxtyx/minio-dart/issues