diff --git a/CHANGES-3.3 b/CHANGES-3.3
index d66e89eae..7c2033433 100644
--- a/CHANGES-3.3
+++ b/CHANGES-3.3
@@ -7,7 +7,7 @@ contributors are listed. Note that Calamares does not have a historical
 changelog -- this log starts with version 3.3.0. See CHANGES-3.2 for
 the history of the 3.2 series (2018-05 - 2022-08).
 
-# 3.3.9 (unreleased)
+# 3.3.9 (2024-08-12)
 
 Please note that if you are using the *luksbootkeyfile* module,
 it must be placed before the *fstab* module in settings.conf.  If it comes
@@ -17,12 +17,16 @@ asked for their password multiple times.
 This release contains contributions from (alphabetically by given name):
  - Adriaan de Groot
  - Evan James
+ - Luca Matei Pintilie
 
 ## Core ##
+ - Improved schemas for configuration files
+ - Support for Interlingue in Qt 6.7
 
 ## Modules ##
-  - Placed *luksbootkeyfile* before *fstab* in the example `settings.conf` (#2356, Evan)
-  - *partition* module mentions creating a swap file in its summary (#2320, Adriaan)
+ - Placed *luksbootkeyfile* before *fstab* in the example `settings.conf` (#2356, Evan)
+ - *packages* module `xbcs` package manager now logs progress messages (#2359, Luca)
+ - *partition* module mentions creating a swap file in its summary (#2320, Adriaan)
 
 
 # 3.3.8 (2024-07-02)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 376294b19..812bde487 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -49,7 +49,7 @@
 cmake_minimum_required(VERSION 3.16 FATAL_ERROR)
 
 set(CALAMARES_VERSION 3.3.9)
-set(CALAMARES_RELEASE_MODE OFF) # Set to ON during a release
+set(CALAMARES_RELEASE_MODE ON) # Set to ON during a release
 
 if(CMAKE_SCRIPT_MODE_FILE)
     include(${CMAKE_CURRENT_LIST_DIR}/CMakeModules/ExtendedVersion.cmake)