diff --git a/CHANGELOG.md b/CHANGELOG.md
index f2988b7..8d674fc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 Note: Breaking changes between versions are indicated by "💥".
 
-## Unreleased
+## 3.9.1 (2020-01-08)
 
 - [Improvement] Make it possible to override the project name in development mode
 - [Bugfix] Fix user switching in development mode
diff --git a/tutor/__about__.py b/tutor/__about__.py
index fcd7ddb..3e9a639 100644
--- a/tutor/__about__.py
+++ b/tutor/__about__.py
@@ -1 +1 @@
-__version__ = "3.9.0"
+__version__ = "3.9.1"