diff --git a/CHANGELOG.md b/CHANGELOG.md
index baf009311..93c6e44ae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 # Change Log
 All notable changes to this project will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org)
 
-## MASTER
+## 1.8.2 - 2018-09-11
 ### Added
 - Added a `hide_git_mode_warning` option to disable the warning presented when users run Drush or WP-CLI commands on Pantheon sites that are in git mode.  (#1882)
 
diff --git a/composer.lock b/composer.lock
index 960a0ab31..a7f5fb79c 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,7 +1,7 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
     "content-hash": "1ab278b993657a0aa55dc62629c52e90",
@@ -1389,30 +1389,27 @@
         },
         {
             "name": "symfony/event-dispatcher",
-            "version": "v3.4.15",
+            "version": "v2.8.45",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/event-dispatcher.git",
-                "reference": "b2e1f19280c09a42dc64c0b72b80fe44dd6e88fb"
+                "reference": "84ae343f39947aa084426ed1138bb96bf94d1f12"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/event-dispatcher/zipball/b2e1f19280c09a42dc64c0b72b80fe44dd6e88fb",
-                "reference": "b2e1f19280c09a42dc64c0b72b80fe44dd6e88fb",
+                "url": "https://api.github.com/repos/symfony/event-dispatcher/zipball/84ae343f39947aa084426ed1138bb96bf94d1f12",
+                "reference": "84ae343f39947aa084426ed1138bb96bf94d1f12",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8"
-            },
-            "conflict": {
-                "symfony/dependency-injection": "<3.3"
+                "php": ">=5.3.9"
             },
             "require-dev": {
                 "psr/log": "~1.0",
-                "symfony/config": "~2.8|~3.0|~4.0",
-                "symfony/dependency-injection": "~3.3|~4.0",
-                "symfony/expression-language": "~2.8|~3.0|~4.0",
-                "symfony/stopwatch": "~2.8|~3.0|~4.0"
+                "symfony/config": "^2.0.5|~3.0.0",
+                "symfony/dependency-injection": "~2.6|~3.0.0",
+                "symfony/expression-language": "~2.6|~3.0.0",
+                "symfony/stopwatch": "~2.3|~3.0.0"
             },
             "suggest": {
                 "symfony/dependency-injection": "",
@@ -1421,7 +1418,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.4-dev"
+                    "dev-master": "2.8-dev"
                 }
             },
             "autoload": {
@@ -1448,7 +1445,7 @@
             ],
             "description": "Symfony EventDispatcher Component",
             "homepage": "https://symfony.com",
-            "time": "2018-07-26T09:06:28+00:00"
+            "time": "2018-07-26T09:03:18+00:00"
         },
         {
             "name": "symfony/filesystem",
@@ -2137,22 +2134,22 @@
         },
         {
             "name": "guzzle/guzzle",
-            "version": "v3.8.1",
+            "version": "v3.9.3",
             "source": {
                 "type": "git",
-                "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "4de0618a01b34aa1c8c33a3f13f396dcd3882eba"
+                "url": "https://github.com/guzzle/guzzle3.git",
+                "reference": "0645b70d953bc1c067bbc8d5bc53194706b628d9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/4de0618a01b34aa1c8c33a3f13f396dcd3882eba",
-                "reference": "4de0618a01b34aa1c8c33a3f13f396dcd3882eba",
+                "url": "https://api.github.com/repos/guzzle/guzzle3/zipball/0645b70d953bc1c067bbc8d5bc53194706b628d9",
+                "reference": "0645b70d953bc1c067bbc8d5bc53194706b628d9",
                 "shasum": ""
             },
             "require": {
                 "ext-curl": "*",
                 "php": ">=5.3.3",
-                "symfony/event-dispatcher": ">=2.1"
+                "symfony/event-dispatcher": "~2.1"
             },
             "replace": {
                 "guzzle/batch": "self.version",
@@ -2179,18 +2176,21 @@
                 "guzzle/stream": "self.version"
             },
             "require-dev": {
-                "doctrine/cache": "*",
-                "monolog/monolog": "1.*",
+                "doctrine/cache": "~1.3",
+                "monolog/monolog": "~1.0",
                 "phpunit/phpunit": "3.7.*",
-                "psr/log": "1.0.*",
-                "symfony/class-loader": "*",
-                "zendframework/zend-cache": "<2.3",
-                "zendframework/zend-log": "<2.3"
+                "psr/log": "~1.0",
+                "symfony/class-loader": "~2.1",
+                "zendframework/zend-cache": "2.*,<2.3",
+                "zendframework/zend-log": "2.*,<2.3"
+            },
+            "suggest": {
+                "guzzlehttp/guzzle": "Guzzle 5 has moved to a new package name. The package you have installed, Guzzle 3, is deprecated."
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.8-dev"
+                    "dev-master": "3.9-dev"
                 }
             },
             "autoload": {
@@ -2214,7 +2214,7 @@
                     "homepage": "https://github.com/guzzle/guzzle/contributors"
                 }
             ],
-            "description": "Guzzle is a PHP HTTP client library and framework for building RESTful web service clients",
+            "description": "PHP HTTP client. This library is deprecated in favor of https://packagist.org/packages/guzzlehttp/guzzle",
             "homepage": "http://guzzlephp.org/",
             "keywords": [
                 "client",
@@ -2226,7 +2226,7 @@
                 "web service"
             ],
             "abandoned": "guzzlehttp/guzzle",
-            "time": "2014-01-28T22:29:15+00:00"
+            "time": "2015-03-18T18:23:50+00:00"
         },
         {
             "name": "php-vcr/php-vcr",
diff --git a/config/constants.yml b/config/constants.yml
index a5b79b2f2..7d2bfc827 100644
--- a/config/constants.yml
+++ b/config/constants.yml
@@ -7,7 +7,7 @@
 ---
 
 # App
-TERMINUS_VERSION: '1.8.1'
+TERMINUS_VERSION: '1.8.2'
 
 # Connectivity
 TERMINUS_HOST:     'terminus.pantheon.io'