diff --git a/CHANGELOG.md b/CHANGELOG.md
index 48a7487..702fb4b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.21.1] - 2026-08-24
+
+### Bug Fixes
+
+- Use runuser for systemctl --user tasks in gitea_runner role
+
 ## [0.21.0] - 2026-08-09
 
 ### Features
diff --git a/src/grm/__init__.py b/src/grm/__init__.py
index 3c36796..05f2370 100644
--- a/src/grm/__init__.py
+++ b/src/grm/__init__.py
@@ -1,3 +1,3 @@
 """Gitea Runner Manager — lean CLI for managing Gitea Actions runners."""
 
-__version__ = "0.21.0"
+__version__ = "0.21.1"