diff --git a/CHANGELOG.md b/CHANGELOG.md
index ed2689e9..dfcf87e2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@ arena-py notable changes. Started 2021-02-19 (version 0.1.12).
 
 ### Features
 
+## [1.3.0](https://github.com/arenaxr/arena-py/compare/v1.2.0...v1.3.0) (2025-02-13)
+
+
+### Features
+
+* **model-container:** add model-container attribute ([5ac7524](https://github.com/arenaxr/arena-py/commit/5ac75249b18b591230dfd8f4de5bb71113a27764))
+
 ## [1.2.0](https://github.com/arenaxr/arena-py/compare/v1.1.0...v1.2.0) (2025-02-12)
 
 
diff --git a/setup.py b/setup.py
index 2f44759d..23e30482 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@
 
 setuptools.setup(
     name="arena-py",
-    version="1.2.0",
+    version="1.3.0",
     author="Carnegie Mellon University",
     author_email="arenaxr@andrew.cmu.edu",
     license="BSD 3-clause \"New\" or \"Revised License\"",