diff --git a/composer.json b/composer.json
index 2921c0c..009bcba 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
   },
   "require-dev": {
     "symfony/var-dumper": "~3.4.1",
-    "squizlabs/php_codesniffer": "~3.2.2",
+    "squizlabs/php_codesniffer": "~3.4.0",
     "phpunit/phpunit": "~6.5.2",
     "doctrine/instantiator": "~1.0.0",
     "ffmpeg/ffmpeg": "4.0.3",
diff --git a/composer.lock b/composer.lock
index 6ef8109..61c76aa 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "3d6bfd06c7ca2432a182ebf6a1d0473f",
+    "content-hash": "f0a821f3b9f10013e1cc5fb9f4715ac9",
     "packages": [
         {
             "name": "aura/session",
@@ -2831,16 +2831,16 @@
         },
         {
             "name": "squizlabs/php_codesniffer",
-            "version": "3.2.3",
+            "version": "3.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/squizlabs/PHP_CodeSniffer.git",
-                "reference": "4842476c434e375f9d3182ff7b89059583aa8b27"
+                "reference": "379deb987e26c7cd103a7b387aea178baec96e48"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/4842476c434e375f9d3182ff7b89059583aa8b27",
-                "reference": "4842476c434e375f9d3182ff7b89059583aa8b27",
+                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/379deb987e26c7cd103a7b387aea178baec96e48",
+                "reference": "379deb987e26c7cd103a7b387aea178baec96e48",
                 "shasum": ""
             },
             "require": {
@@ -2878,7 +2878,7 @@
                 "phpcs",
                 "standards"
             ],
-            "time": "2018-02-20T21:35:23+00:00"
+            "time": "2018-12-19T23:57:18+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",