diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8d3e94efb..7c03b9d51 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
 # Change Log
 
+## [12.1.0] - 2024-11-21
+
+### Added
+
+- fetch-content: log x-cache-status when content size doesn't match expected (#606)
+
+### Fixed
+
+- Don't assume the taskcluster proxy is running on http://taskcluster (#603)
+- Do not apply skip-unless-changed for cron triggers (#604)
+
 ## [12.0.0] - 2024-10-25
 
 ### Added
diff --git a/src/taskgraph/__init__.py b/src/taskgraph/__init__.py
index 6ae30ccc6..d69621263 100644
--- a/src/taskgraph/__init__.py
+++ b/src/taskgraph/__init__.py
@@ -2,7 +2,7 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-__version__ = "12.0.0"
+__version__ = "12.1.0"
 
 # Maximum number of dependencies a single task can have
 # https://docs.taskcluster.net/docs/reference/platform/queue/api#createTask