diff --git a/composer.lock b/composer.lock
index 3ecce53a..da7115b0 100644
--- a/composer.lock
+++ b/composer.lock
@@ -527,27 +527,27 @@
         },
         {
             "name": "guzzlehttp/guzzle",
-            "version": "6.2.0",
+            "version": "6.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "d094e337976dff9d8e2424e8485872194e768662"
+                "reference": "3f808fba627f2c5b69e2501217bf31af349c1427"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/d094e337976dff9d8e2424e8485872194e768662",
-                "reference": "d094e337976dff9d8e2424e8485872194e768662",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/3f808fba627f2c5b69e2501217bf31af349c1427",
+                "reference": "3f808fba627f2c5b69e2501217bf31af349c1427",
                 "shasum": ""
             },
             "require": {
-                "guzzlehttp/promises": "~1.0",
-                "guzzlehttp/psr7": "~1.1",
-                "php": ">=5.5.0"
+                "guzzlehttp/promises": "^1.0",
+                "guzzlehttp/psr7": "^1.3.1",
+                "php": ">=5.5"
             },
             "require-dev": {
                 "ext-curl": "*",
-                "phpunit/phpunit": "~4.0",
-                "psr/log": "~1.0"
+                "phpunit/phpunit": "^4.0",
+                "psr/log": "^1.0"
             },
             "type": "library",
             "extra": {
@@ -585,7 +585,7 @@
                 "rest",
                 "web service"
             ],
-            "time": "2016-03-21 20:02:09"
+            "time": "2016-07-15 17:22:37"
         },
         {
             "name": "guzzlehttp/promises",
@@ -1390,16 +1390,16 @@
         },
         {
             "name": "league/flysystem",
-            "version": "1.0.24",
+            "version": "1.0.25",
             "source": {
                 "type": "git",
                 "url": "https://github.com/thephpleague/flysystem.git",
-                "reference": "9aca859a303fdca30370f42b8c611d9cf0dedf4b"
+                "reference": "a76afa4035931be0c78ca8efc6abf3902362f437"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/thephpleague/flysystem/zipball/9aca859a303fdca30370f42b8c611d9cf0dedf4b",
-                "reference": "9aca859a303fdca30370f42b8c611d9cf0dedf4b",
+                "url": "https://api.github.com/repos/thephpleague/flysystem/zipball/a76afa4035931be0c78ca8efc6abf3902362f437",
+                "reference": "a76afa4035931be0c78ca8efc6abf3902362f437",
                 "shasum": ""
             },
             "require": {
@@ -1412,7 +1412,7 @@
                 "ext-fileinfo": "*",
                 "mockery/mockery": "~0.9",
                 "phpspec/phpspec": "^2.2",
-                "phpunit/phpunit": "~4.8 || ~5.0"
+                "phpunit/phpunit": "~4.8"
             },
             "suggest": {
                 "ext-fileinfo": "Required for MimeType",
@@ -1469,7 +1469,7 @@
                 "sftp",
                 "storage"
             ],
-            "time": "2016-06-03 19:11:39"
+            "time": "2016-07-18 12:22:57"
         },
         {
             "name": "league/flysystem-aws-s3-v3",
@@ -2440,16 +2440,16 @@
         },
         {
             "name": "spatie/laravel-medialibrary",
-            "version": "4.5.0",
+            "version": "4.7.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/spatie/laravel-medialibrary.git",
-                "reference": "8ba0ded185ee7c3c36d3ebb531a881f17950677d"
+                "reference": "c914f9e32c5a69301dab9fb8b17f2b2a579a24d6"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/spatie/laravel-medialibrary/zipball/8ba0ded185ee7c3c36d3ebb531a881f17950677d",
-                "reference": "8ba0ded185ee7c3c36d3ebb531a881f17950677d",
+                "url": "https://api.github.com/repos/spatie/laravel-medialibrary/zipball/c914f9e32c5a69301dab9fb8b17f2b2a579a24d6",
+                "reference": "c914f9e32c5a69301dab9fb8b17f2b2a579a24d6",
                 "shasum": ""
             },
             "require": {
@@ -2496,7 +2496,7 @@
                 "media",
                 "spatie"
             ],
-            "time": "2016-07-09 13:49:32"
+            "time": "2016-07-18 07:56:41"
         },
         {
             "name": "spatie/pdf-to-image",