diff --git a/CHANGELOG.md b/CHANGELOG.md
index d134fbc..2b774c6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,8 @@ Note: Breaking changes between versions are indicated by "💥".
 
 ## Unreleased
 
+## v12.1.6 (2021-11-02)
+
 - [Improvement] Upgrade all services to open-release/lilac.3.
 - [Feature] Make it possible to override job configuration in development: if they exist, `dev/docker-compose.jobs.yml` and `dev/docker-compose.jobs.override.yml` will be loaded when running jobs.
 - [Improvement] Faster `tutor local start` by building only necessary images.
diff --git a/tutor/__about__.py b/tutor/__about__.py
index 5372497..876ffd3 100644
--- a/tutor/__about__.py
+++ b/tutor/__about__.py
@@ -2,7 +2,7 @@ import os
 
 # Increment this version number to trigger a new release. See
 # docs/tutor.html#versioning for information on the versioning scheme.
-__version__ = "12.1.5"
+__version__ = "12.1.6"
 
 # The version suffix will be appended to the actual version, separated by a
 # dash. Use this suffix to differentiate between the actual released version and