diff --git a/CHANGELOG.md b/CHANGELOG.md
index 07af41a83..28c4f4c77 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,7 @@
 
 
 
-3.3.0 (unreleased)
+3.3.0 (2024-03-01)
 ------------------
 
 ### Configuration
diff --git a/NEWS.md b/NEWS.md
index 185b59984..fc678a421 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -10,8 +10,8 @@ This file lists all changes which have an affect on the administration of IntelM
 Please refer to the change log for a full list of changes.
 
 
-3.3.0 Feature release (unreleased)
----------------------------------
+3.3.0 Feature release  (2024-03-01)
+---------------------
 
 ### Documentation
 The documentation is now available at [docs.intelmq.org](https://docs.intelmq.org/). Documentation has been updated and restructured into User, Administrator and Developer Guide. It provides modern look with various quality of life improvements. Big thanks to to @gethvi. 
diff --git a/debian/changelog b/debian/changelog
index 19c1c38a6..ac9ddbe81 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,8 +1,8 @@
-intelmq (3.2.2a1-1) UNRELEASED; urgency=medium
+intelmq (3.3.0-1) stable; urgency=medium
 
-  * 
+  * 3.3.0 Feature release
 
- -- Sebastian Wagner <sebix@sebix.at>  Tue, 05 Sep 2023 15:05:07 +0200
+ -- Aaron Kaplan <aaron@lo-res.org>  Fr, 01 Mar 2024 14:19:00 +0100
 
 intelmq (3.2.1-2) stable; urgency=medium
 
diff --git a/docs/dev/release.md b/docs/dev/release.md
index 25e0dd753..7d9983b04 100644
--- a/docs/dev/release.md
+++ b/docs/dev/release.md
@@ -17,7 +17,7 @@ different.
 -   Check the upgrade functions in `intelmq/lib/upgrades.py`.
 -   Close the milestone on GitHub and move any open issues to the next
     one.
--   `docs/user/installation.rst`: Update supported operating systems.
+-   `docs/admin/installation/linux-packages.md`: Update supported operating systems.
 
 ## Documentation
 
@@ -39,22 +39,21 @@ Eventually adapt the default log levels if necessary. Should be INFO for stable
 ### IntelMQ Manager
 
 -   `intelmq_manager/version.py`: Update the version.
--   `intelmq_manager/static/images/js/about.js`: Update the version.
+-   `intelmq_manager/static/js/about.js`: Update the version.
 
 ## Commit, push, review and merge
 
-Commit your changes in a separate branch, the final commit message
-should start with `REL:`. Push and create a pull request to maintenance
-and after that from maintenance to master. Someone else should review
-the changes. Eventually fix them, make sure the `REL:` is the last
-commit, you can also push that one at last, after the reviews.
+Commit your changes in a separate branch, the final commit message should start
+with `REL:`. Push and create a pull request to the `develop` branch. Someone
+else should review the changes. Eventually fix them, make sure the `REL:` is
+the last commit, you can also push that one at last, after the reviews.
 
 Why a separate branch? Because if problems show up, you can still
 force-push to that one, keeping the release commit the latest one.
 
 ## Tag and release
 
-Tag the commit with `git tag -s version HEAD`, merge it into master,
+Tag the commit with `git tag -s version HEAD`, merge it into `develop`,
 push the branches *and* the tag. The tag is just `a.b.c`, not prefixed
 with `v` (that was necessary only with SVN a long time ago...).
 
diff --git a/docs/index.md b/docs/index.md
index cf097897c..1b55da37f 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -9,6 +9,7 @@
 
 ![IntelMQ](docs/static/images/Logo_Intel_MQ.svg)
 
+
 # Introduction
 
 **IntelMQ** is a solution for IT security teams (CERTs & CSIRTs, SOCs
diff --git a/intelmq/version.py b/intelmq/version.py
index 45127749e..ccb58cc79 100644
--- a/intelmq/version.py
+++ b/intelmq/version.py
@@ -2,5 +2,5 @@
 #
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
-__version_info__ = (3, 2, 2, 'a1')
+__version_info__ = (3, 3, 0)
 __version__ = '.'.join(map(str, __version_info__))