diff --git a/ChangeLog.md b/ChangeLog.md
index 3cf40c60..042df5c0 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -5,6 +5,8 @@ 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/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## 1.5.2 - 2024-02-20
 ### Added
 - add `O3R_RESULT_JSON`, `O3R_RESULT_ARRAY2D`, `O3R_RESULT_IMU` `buffer_ids`
 
diff --git a/VERSION b/VERSION
index b7dbdb0a..20691acc 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-v1.5.1*v1.5.1*1*5*1
\ No newline at end of file
+v1.5.2*v1.5.2*1*5*2
\ No newline at end of file