diff --git a/system/core/CodeIgniter.php b/system/core/CodeIgniter.php
index 2525eda..70f33d5 100644
--- a/system/core/CodeIgniter.php
+++ b/system/core/CodeIgniter.php
@@ -55,7 +55,7 @@
  * @var	string
  *
  */
-	define('CI_VERSION', '3.1.0');
+	define('CI_VERSION', '3.1.1-dev');
 
 /*
  * ------------------------------------------------------
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index 058eb27..c09c1b5 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -2,6 +2,19 @@
 Change Log
 ##########
 
+Version 3.1.1
+=============
+
+Release Date: Not Released
+
+
+
+Bug fixes for 3.1.1
+-------------------
+
+
+
+
 Version 3.1.0
 =============
 
diff --git a/user_guide_src/source/conf.py b/user_guide_src/source/conf.py
index 9e78d24..0c4901d 100644
--- a/user_guide_src/source/conf.py
+++ b/user_guide_src/source/conf.py
@@ -48,9 +48,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '3.1.0'
+version = '3.1.1-dev'
 # The full version, including alpha/beta/rc tags.
-release = '3.1.0'
+release = '3.1.1-dev'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/user_guide_src/source/installation/downloads.rst b/user_guide_src/source/installation/downloads.rst
index 80d2412..7380dcb 100644
--- a/user_guide_src/source/installation/downloads.rst
+++ b/user_guide_src/source/installation/downloads.rst
@@ -2,7 +2,8 @@
 Downloading CodeIgniter
 #######################
 
--  `CodeIgniter v3.1.0 (Current version) <https://codeload.github.com/bcit-ci/CodeIgniter/zip/3.1.0>`_
+-  `CodeIgniter v3.1.1 (Current version) <https://codeload.github.com/bcit-ci/CodeIgniter/zip/3.1-stable>`_
+-  `CodeIgniter v3.1.0 <https://codeload.github.com/bcit-ci/CodeIgniter/zip/3.1.0>`_
 -  `CodeIgniter v3.0.6 <https://codeload.github.com/bcit-ci/CodeIgniter/zip/3.0.6>`_
 -  `CodeIgniter v3.0.5 <https://codeload.github.com/bcit-ci/CodeIgniter/zip/3.0.5>`_
 -  `CodeIgniter v3.0.4 <https://codeload.github.com/bcit-ci/CodeIgniter/zip/3.0.4>`_
diff --git a/user_guide_src/source/installation/upgrade_311.rst b/user_guide_src/source/installation/upgrade_311.rst
new file mode 100644
index 0000000..a36e723
--- /dev/null
+++ b/user_guide_src/source/installation/upgrade_311.rst
@@ -0,0 +1,14 @@
+#############################
+Upgrading from 3.1.0 to 3.1.1
+#############################
+
+Before performing an update you should take your site offline by
+replacing the index.php file with a static one.
+
+Step 1: Update your CodeIgniter files
+=====================================
+
+Replace all files and directories in your *system/* directory.
+
+.. note:: If you have any custom developed files in these directories,
+	please make copies of them first.
diff --git a/user_guide_src/source/installation/upgrading.rst b/user_guide_src/source/installation/upgrading.rst
index f0cf8c9..727d054 100644
--- a/user_guide_src/source/installation/upgrading.rst
+++ b/user_guide_src/source/installation/upgrading.rst
@@ -8,6 +8,7 @@
 .. toctree::
 	:titlesonly:
 
+	Upgrading from 3.1.0 to 3.1.1 <upgrade_311>
 	Upgrading from 3.0.6 to 3.1.0 <upgrade_310>
 	Upgrading from 3.0.5 to 3.0.6 <upgrade_306>
 	Upgrading from 3.0.4 to 3.0.5 <upgrade_305>