diff --git a/CHANGELOG.md b/CHANGELOG.md
index ebb468d5..b1dd57e8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [unreleased]
 
+## [0.13.1]
+
 ### Changed
 
 * currently supported versions of python now range from 3.8 to 3.12. There is a catch for python 3.8: the corresponding astropy version is pinned to astropy<5.3
diff --git a/Cargo.toml b/Cargo.toml
index be4daf51..6741afec 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "MOCPy"
-version = "0.13.0"
+version = "0.13.1"
 authors = [
   "Matthieu Baumann <matthieu.baumann@astro.unistra.fr>",
   "Thomas Boch <thomas.boch@astro.unistra.fr>",
diff --git a/codemeta.json b/codemeta.json
index 636a0d5c..b6f164a1 100644
--- a/codemeta.json
+++ b/codemeta.json
@@ -6,11 +6,11 @@
     "contIntegration": "https://github.com/cds-astro/mocpy/tree/master/.github/workflows",
     "dateCreated": "2015-05-28",
     "datePublished": "2015-05-28",
-    "dateModified": "2022-02-04",
+    "dateModified": "2023-12-04",
     "issueTracker": "https://github.com/cds-astro/mocpy/issues",
     "name": "MOCpy",
-    "version": "0.12.2",
-    "softwareVersion": "0.12.2",
+    "version": "0.13.1",
+    "softwareVersion": "0.13.1",
     "description": "Python library to easily create and manipulate MOCs (Multi-Order Coverage maps)",
     "applicationCategory": ["Astronomy", "Science"],
     "funding": "ESCAPE 824064, ASTERICS 653477",
diff --git a/python/mocpy/version.py b/python/mocpy/version.py
index f23a6b39..7e0dc0e8 100644
--- a/python/mocpy/version.py
+++ b/python/mocpy/version.py
@@ -1 +1 @@
-__version__ = "0.13.0"
+__version__ = "0.13.1"