diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4ccc0f8..e590d85 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ recorded here; their history is the git log.
 
 ## [Unreleased]
 
+## [4.21.1] - 2026-10-22
+
+The first release on PyPI since 0.1.0.
+
 ### Changed
 - The package follows the NAPALM driver standard
   (https://git.netork.io/NAPALM/driver-standard): CI on Gitea runs ruff, strict
diff --git a/pyproject.toml b/pyproject.toml
index fb84677..6d850cb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "napalm-device-types"
-version = "4.21.0"
+version = "4.21.1"
 description = "Abstract device-type base classes for NAPALM drivers"
 readme = "README.md"
 requires-python = ">=3.10"