diff --git a/CHANGELOG.md b/CHANGELOG.md
index 81ad0f4..627337e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Next version
+## 1.2.1 - January 19, 2024
 
 ### ✨ Improved
 
diff --git a/pyproject.toml b/pyproject.toml
index 9ca0377..6cd029d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "sdss-cerebro"
-version = "1.2.1a0"
+version = "1.2.1"
 description = "Telemetry management and time series for SDSS-V"
 authors = ["José Sánchez-Gallego <gallegoj@uw.edu>"]
 license = "BSD-3-Clause"