diff --git a/CHANGELOG.md b/CHANGELOG.md
index 07be428..cb1a0fd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,13 @@ 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).
 
-## [2.15.5] - 2023-06-01
+## [2.15.6] - 2023-05-04
+
+### Changed
+* methods create_small_index and create_big_index now accepts a list of input embedding directories
+and a final output directory that is used to store indexes and metrics
+
+## [2.15.5] - 2023-01-06
 
 ### Changed
 * build_partitioned_indexes now accepts an optional path to a (pre-trained) index. If provided,
diff --git a/autofaiss/version.py b/autofaiss/version.py
index ba5ca8c..acb842c 100644
--- a/autofaiss/version.py
+++ b/autofaiss/version.py
@@ -1,6 +1,6 @@
 # pylint: disable=all
 
-__version__ = "2.15.5"
+__version__ = "2.15.6"
 __author__ = "Criteo"