diff --git a/api_docs/changelog.md b/api_docs/changelog.md
index 7e4161582c..5488586156 100644
--- a/api_docs/changelog.md
+++ b/api_docs/changelog.md
@@ -20,6 +20,10 @@ format used by the Zulip server that they are interacting with.
 
 ## Changes in Zulip 9.0
 
+**Feature level 277**
+
+No changes; feature level used for Zulip 9.0 release.
+
 **Feature level 276**
 
 * [Markdown message formatting](/api/message-formatting#image-previews):
diff --git a/docs/overview/changelog.md b/docs/overview/changelog.md
index 969e243371..002f49db23 100644
--- a/docs/overview/changelog.md
+++ b/docs/overview/changelog.md
@@ -1,13 +1,15 @@
 # Version history
 
-This page contains the release history for the Zulip server. See also the
-[Zulip release lifecycle](../overview/release-lifecycle.md).
+This page contains the release history for the Zulip Server 9.x stable
+release series. See the [current Zulip changelog][latest-changelog]
+for newer release series, or the [commit log][commit-log] for an
+up-to-date list of all changes.
 
 ## Zulip Server 9.x series
 
 ### Zulip Server 9.0
 
-_Draft release notes_
+_Released 2024-07-25_
 
 #### Highlights
 
@@ -4108,7 +4110,7 @@ _Released 2015-10-19_
 This section links to the upgrade notes from past releases, so you can
 easily read them all when upgrading across multiple releases.
 
-- [Draft upgrade notes for 9.0](#upgrade-notes-for-90)
+- [Upgrade notes for 9.0](#upgrade-notes-for-90)
 - [Upgrade notes for 8.0](#upgrade-notes-for-80)
 - [Upgrade notes for 7.0](#upgrade-notes-for-70)
 - [Upgrade notes for 6.0](#upgrade-notes-for-60)
diff --git a/version.py b/version.py
index 6d8b2deaa4..37311a2d3e 100644
--- a/version.py
+++ b/version.py
@@ -1,6 +1,6 @@
 import os
 
-ZULIP_VERSION = "9.0-beta1+git"
+ZULIP_VERSION = "9.0"
 
 # Add information on number of commits and commit hash to version, if available
 zulip_git_version_file = os.path.join(
@@ -13,8 +13,8 @@ if os.path.exists(zulip_git_version_file):
 ZULIP_VERSION = lines.pop(0).strip()
 ZULIP_MERGE_BASE = lines.pop(0).strip()
 
-LATEST_MAJOR_VERSION = "8.0"
-LATEST_RELEASE_VERSION = "8.4"
+LATEST_MAJOR_VERSION = "9.0"
+LATEST_RELEASE_VERSION = "9.0"
 LATEST_RELEASE_ANNOUNCEMENT = "https://blog.zulip.com/2023/12/15/zulip-8-0-released/"
 
 # Versions of the desktop app below DESKTOP_MINIMUM_VERSION will be
@@ -34,7 +34,7 @@ DESKTOP_WARNING_VERSION = "5.9.3"
 # new level means in api_docs/changelog.md, as well as "**Changes**"
 # entries in the endpoint's documentation in `zulip.yaml`.
 
-API_FEATURE_LEVEL = 276  # Last bumped for data-original-dimensions
+API_FEATURE_LEVEL = 277  # Last bumped for Zulip 9.0
 
 
 # Bump the minor PROVISION_VERSION to indicate that folks should provision