diff --git a/CHANGELOG.md b/CHANGELOG.md
index f9ac16e2ee..4d0016b47f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+### 1.8.6: 2018-01-16
+
+* Update to WordPress 4.9.2
+
 ### 1.8.5: 2017-11-29
 
 * Update to WordPress 4.9.1
diff --git a/composer.json b/composer.json
index f9202c3208..8e3e9375d5 100644
--- a/composer.json
+++ b/composer.json
@@ -36,7 +36,7 @@
     "php": ">=5.6",
     "composer/installers": "^1.4",
     "vlucas/phpdotenv": "^2.0.1",
-    "johnpbloch/wordpress": "4.9.1",
+    "johnpbloch/wordpress": "4.9.2",
     "oscarotero/env": "^1.1.0",
     "roots/wp-password-bcrypt": "1.0.0"
   },
diff --git a/composer.lock b/composer.lock
index d070ffa3cf..48b2d55bdd 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,20 +4,21 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "c15f4ded7dd2aa7a0c6364c9b9388adf",
+    "hash": "7304b88a18073dfb2ca592150593fb73",
+    "content-hash": "a1029821b7e0a7f2b2f769593e37bfc7",
     "packages": [
         {
             "name": "composer/installers",
-            "version": "v1.4.0",
+            "version": "v1.5.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/composer/installers.git",
-                "reference": "9ce17fb70e9a38dd8acff0636a29f5cf4d575c1b"
+                "reference": "049797d727261bf27f2690430d935067710049c2"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/composer/installers/zipball/9ce17fb70e9a38dd8acff0636a29f5cf4d575c1b",
-                "reference": "9ce17fb70e9a38dd8acff0636a29f5cf4d575c1b",
+                "url": "https://api.github.com/repos/composer/installers/zipball/049797d727261bf27f2690430d935067710049c2",
+                "reference": "049797d727261bf27f2690430d935067710049c2",
                 "shasum": ""
             },
             "require": {
@@ -29,7 +30,7 @@
             },
             "require-dev": {
                 "composer/composer": "1.0.*@dev",
-                "phpunit/phpunit": "4.1.*"
+                "phpunit/phpunit": "^4.8.36"
             },
             "type": "composer-plugin",
             "extra": {
@@ -100,15 +101,18 @@
                 "lavalite",
                 "lithium",
                 "magento",
+                "majima",
                 "mako",
                 "mediawiki",
                 "modulework",
+                "modx",
                 "moodle",
                 "osclass",
                 "phpbb",
                 "piwik",
                 "ppi",
                 "puppet",
+                "pxcms",
                 "reindex",
                 "roundcube",
                 "shopware",
@@ -121,24 +125,24 @@
                 "zend",
                 "zikula"
             ],
-            "time": "2017-08-09 07:53:48"
+            "time": "2017-12-29 09:13:20"
         },
         {
             "name": "johnpbloch/wordpress",
-            "version": "4.9.1",
+            "version": "4.9.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/johnpbloch/wordpress.git",
-                "reference": "988875c1ec9f0474d1f77038b7a52f91125fc5f4"
+                "reference": "34627d0b992bbe9ed909c73b27307297fb21f2a4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/johnpbloch/wordpress/zipball/988875c1ec9f0474d1f77038b7a52f91125fc5f4",
-                "reference": "988875c1ec9f0474d1f77038b7a52f91125fc5f4",
+                "url": "https://api.github.com/repos/johnpbloch/wordpress/zipball/34627d0b992bbe9ed909c73b27307297fb21f2a4",
+                "reference": "34627d0b992bbe9ed909c73b27307297fb21f2a4",
                 "shasum": ""
             },
             "require": {
-                "johnpbloch/wordpress-core": "4.9.1",
+                "johnpbloch/wordpress-core": "4.9.2",
                 "johnpbloch/wordpress-core-installer": "^1.0",
                 "php": ">=5.3.2"
             },
@@ -160,27 +164,27 @@
                 "cms",
                 "wordpress"
             ],
-            "time": "2017-11-29 21:57:18"
+            "time": "2018-01-16 23:12:18"
         },
         {
             "name": "johnpbloch/wordpress-core",
-            "version": "4.9.1",
+            "version": "4.9.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/johnpbloch/wordpress-core.git",
-                "reference": "e47f6652557c3160ee432c2fca5594ac1a8698f5"
+                "reference": "59292fac30315323ce99e1a1d362015581e5d8e6"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/johnpbloch/wordpress-core/zipball/e47f6652557c3160ee432c2fca5594ac1a8698f5",
-                "reference": "e47f6652557c3160ee432c2fca5594ac1a8698f5",
+                "url": "https://api.github.com/repos/johnpbloch/wordpress-core/zipball/59292fac30315323ce99e1a1d362015581e5d8e6",
+                "reference": "59292fac30315323ce99e1a1d362015581e5d8e6",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.2"
             },
             "provide": {
-                "wordpress/core-implementation": "4.9.1"
+                "wordpress/core-implementation": "4.9.2"
             },
             "type": "wordpress-core",
             "notification-url": "https://packagist.org/downloads/",
@@ -200,7 +204,7 @@
                 "cms",
                 "wordpress"
             ],
-            "time": "2017-11-29 21:57:13"
+            "time": "2018-01-16 23:12:12"
         },
         {
             "name": "johnpbloch/wordpress-core-installer",
@@ -404,16 +408,16 @@
     "packages-dev": [
         {
             "name": "squizlabs/php_codesniffer",
-            "version": "3.1.1",
+            "version": "3.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/squizlabs/PHP_CodeSniffer.git",
-                "reference": "d667e245d5dcd4d7bf80f26f2c947d476b66213e"
+                "reference": "d7c00c3000ac0ce79c96fcbfef86b49a71158cd1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/d667e245d5dcd4d7bf80f26f2c947d476b66213e",
-                "reference": "d667e245d5dcd4d7bf80f26f2c947d476b66213e",
+                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/d7c00c3000ac0ce79c96fcbfef86b49a71158cd1",
+                "reference": "d7c00c3000ac0ce79c96fcbfef86b49a71158cd1",
                 "shasum": ""
             },
             "require": {
@@ -451,7 +455,7 @@
                 "phpcs",
                 "standards"
             ],
-            "time": "2017-10-16 22:40:25"
+            "time": "2017-12-19 21:44:46"
         }
     ],
     "aliases": [],