diff --git a/docs/conf.py b/docs/conf.py
index f3219c3369..058f4df4f3 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -54,7 +54,7 @@ author = 'The Zulip Team'
 # The short X.Y version.
 version = '1.9+git'
 # The full version, including alpha/beta/rc tags.
-release = '1.9.0+git'
+release = '1.9.1+git'
 
 # This allows us to insert a warning that appears only on an unreleased
 # version, e.g. to say that something is likely to have changed.
diff --git a/docs/overview/changelog.md b/docs/overview/changelog.md
index e427c5c214..5bb7544d87 100644
--- a/docs/overview/changelog.md
+++ b/docs/overview/changelog.md
@@ -7,6 +7,19 @@ All notable changes to the Zulip server are documented in this file.
 This section lists notable unreleased changes; it is generally updated
 in bursts.
 
+### 1.9.1 -- 2018-11-30
+
+This release is primarily intended to improve the experience for new
+Zulip installations; it has minimal changes for existing servers.
+
+- Added support for getting multi-domain certificates with setup-certbot.
+- Improved various installer error messages and sections of the
+  installation documentation to help avoid for common mistakes.
+- The Google auth integration now always offers an account chooser.
+- Fixed buggy handling of avatars in Slack import.
+- Fixed nginx configuration for mobile API authentication to access uploads.
+- Updated translation data, including significant new Italian strings.
+
 ### 1.9.0 -- 2018-11-07
 
 **Highlights:**
diff --git a/version.py b/version.py
index a636cfce52..611749ef35 100644
--- a/version.py
+++ b/version.py
@@ -1,6 +1,6 @@
-ZULIP_VERSION = "1.9.0+git"
+ZULIP_VERSION = "1.9.1+git"
 LATEST_MAJOR_VERSION = "1.9"
-LATEST_RELEASE_VERSION = "1.9.0"
+LATEST_RELEASE_VERSION = "1.9.1"
 LATEST_RELEASE_ANNOUNCEMENT = "https://blog.zulip.org/2018/11/07/zulip-1-9-released/"
 
 # Bump the minor PROVISION_VERSION to indicate that folks should provision