diff --git a/composer.json b/composer.json
index dc160d0..8f584a3 100644
--- a/composer.json
+++ b/composer.json
@@ -11,6 +11,6 @@
     ],
     "license": "MIT",
     "require": {
-        "squizlabs/php_codesniffer": "~2.0"
+        "squizlabs/php_codesniffer": "^2.0"
     }
 }
diff --git a/composer.lock b/composer.lock
index 277d55c..bb27eee 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,21 +4,20 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "3a8bf8945a179a97660e1ece23970e0f",
-    "content-hash": "810a46781be4afc0c385f35b34a8bb27",
+    "content-hash": "057f7091022e74e8cf12fe39f7e2d0ae",
     "packages": [
         {
             "name": "squizlabs/php_codesniffer",
-            "version": "2.7.1",
+            "version": "2.8.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/squizlabs/PHP_CodeSniffer.git",
-                "reference": "9b324f3a1132459a7274a0ace2e1b766ba80930f"
+                "reference": "d7cf0d894e8aa4c73712ee4a331cc1eaa37cdc7d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/9b324f3a1132459a7274a0ace2e1b766ba80930f",
-                "reference": "9b324f3a1132459a7274a0ace2e1b766ba80930f",
+                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/d7cf0d894e8aa4c73712ee4a331cc1eaa37cdc7d",
+                "reference": "d7cf0d894e8aa4c73712ee4a331cc1eaa37cdc7d",
                 "shasum": ""
             },
             "require": {
@@ -83,7 +82,7 @@
                 "phpcs",
                 "standards"
             ],
-            "time": "2016-11-30 04:02:31"
+            "time": "2017-03-01T22:17:45+00:00"
         }
     ],
     "packages-dev": [],