diff --git a/doc/changelog.md b/doc/changelog.md
index 19f7c16..b056b75 100644
--- a/doc/changelog.md
+++ b/doc/changelog.md
@@ -1,6 +1,12 @@
-# Unreleased
+# v4.1.3
 _Changes: Add Ubuntu 18 support, new guide to running at AWS or on Docker,
-internals - replace generated host ID with a random UUID_
+internals - replace generated host ID with a random UUID, improvements for
+creating demo instances at AWS_
+
+To upgrade:
+
+* Update the Python and web code (the `src` folder)
+* Restart the Apache service
 
 # v4.1.2
 _Changes: Fix bug preventing the cropping tool working on touchscreen devices
diff --git a/src/imageserver/__about__.py b/src/imageserver/__about__.py
index 45fbd86..8863715 100644
--- a/src/imageserver/__about__.py
+++ b/src/imageserver/__about__.py
@@ -33,7 +33,7 @@
 __source_uri__ = "https://github.com/quru/qis"
 __platforms__ = ["Linux", "Unix", "Mac OSX"]
 
-__version__ = "4.1.2"
+__version__ = "4.1.3"
 
 __author__ = "Quru Ltd"
 __email__ = "info@quru.com"