diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6362ab2..cf9ce1b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](https://semver.org).
 
+## [2.11.1] - 2022-03-06
+
+### Fixed
+* fix the number of batches in merge n indices
+
 ## [2.11.0] - 2022-03-06
 
 ### Added
diff --git a/autofaiss/version.py b/autofaiss/version.py
index e02d7e0..0957a50 100644
--- a/autofaiss/version.py
+++ b/autofaiss/version.py
@@ -1,6 +1,6 @@
 # pylint: disable=all
 
-__version__ = "2.11.0"
+__version__ = "2.11.1"
 __author__ = "Criteo"