diff --git a/CHANGELOG.md b/CHANGELOG.md
index 080df7feb7ee7205b4f5ac29df760026168786bd..06e5bc3ae4d7c6b6f615b0e9f25f72b654c78ed0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 3.3.1-pre
+- Improve upload progress granularity
+- Fix broken test
+
 # 3.3.0-pre
 - Support listening upload progress
 
diff --git a/pubspec.yaml b/pubspec.yaml
index e492e3c39e5d6172ba3a9227eac42143dc2df3fa..8ce391fb359d6904e2138876016f6bc8637f75ad 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: 3.3.0-pre
+version: 3.3.1-pre
 homepage: https://github.com/xtyxtyx/minio-dart
 issue_tracker: https://github.com/xtyxtyx/minio-dart/issues