diff --git a/system/core/CodeIgniter.php b/system/core/CodeIgniter.php
index 4f81a98..4ad513d 100644
--- a/system/core/CodeIgniter.php
+++ b/system/core/CodeIgniter.php
@@ -55,7 +55,7 @@
  * @var	string
  *
  */
-	const CI_VERSION = '3.1.8-dev';
+	const CI_VERSION = '3.1.8';
 
 /*
  * ------------------------------------------------------
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index 647ea93..371b495 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -5,7 +5,7 @@
 Version 3.1.8
 =============
 
-Release Date: Not Released
+Release Date: Mar 22, 2018
 
 - **Security**
 
diff --git a/user_guide_src/source/conf.py b/user_guide_src/source/conf.py
index e03c316..5536699 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 = '3.1.8-dev'
+version = '3.1.8'
 # The full version, including alpha/beta/rc tags.
-release = '3.1.8-dev'
+release = '3.1.8'
 
 # 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 0391315..27675a1 100644
--- a/user_guide_src/source/installation/downloads.rst
+++ b/user_guide_src/source/installation/downloads.rst
@@ -2,7 +2,7 @@
 Downloading CodeIgniter
 #######################
 
--  `CodeIgniter v3.1.8-dev (Current version) <https://codeload.github.com/bcit-ci/CodeIgniter/zip/3.1-stable>`_
+-  `CodeIgniter v3.1.8 (Current version) <https://codeload.github.com/bcit-ci/CodeIgniter/zip/3.1.8>`_
 -  `CodeIgniter v3.1.7 <https://codeload.github.com/bcit-ci/CodeIgniter/zip/3.1.7>`_
 -  `CodeIgniter v3.1.6 <https://codeload.github.com/bcit-ci/CodeIgniter/zip/3.1.6>`_
 -  `CodeIgniter v3.1.5 <https://codeload.github.com/bcit-ci/CodeIgniter/zip/3.1.5>`_