diff --git a/composer.lock b/composer.lock
index 76e01a1..6e4cb0b 100644
--- a/composer.lock
+++ b/composer.lock
@@ -8,16 +8,16 @@
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+            "version": "v2.7.6",
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                 "url": "https://github.com/beberlei/assert.git",
-                "reference": "3ee3bc468a3ce4bbfc3d74f53c6cdb5242d39d1a"
+                "reference": "8726e183ebbb0169cb6cb4832e22ebd355524563"
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-                "reference": "3ee3bc468a3ce4bbfc3d74f53c6cdb5242d39d1a",
+                "url": "https://api.github.com/repos/beberlei/assert/zipball/8726e183ebbb0169cb6cb4832e22ebd355524563",
+                "reference": "8726e183ebbb0169cb6cb4832e22ebd355524563",
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@@ -59,20 +59,20 @@
                 "assertion",
                 "validation"
             ],
-            "time": "2017-03-14T18:06:52+00:00"
+            "time": "2017-05-04T02:00:24+00:00"
         },
         {
             "name": "catfan/medoo",
-            "version": "v1.2.1",
+            "version": "v1.4.2",
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                 "url": "https://github.com/catfan/Medoo.git",
-                "reference": "b5a788c90c44db0f978512c890cb6962af4685e8"
+                "reference": "1134cd6372c6ec9e3ffca81335fbf04adaec4422"
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@@ -80,12 +80,13 @@
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-                "ext-pdo_mysql": "For MySQL or MariaDB databases",
-                "ext-pdo_oci": "For Oracle databases",
-                "ext-pdo_pqsql": "For PostgreSQL databases",
-                "ext-pdo_sqlite": "For SQLite databases",
-                "ext-pdo_sqlsrv": "For MSSQL databases on Windows platform"
+                "ext-pdo_dblib": "For MSSQL or Sybase database on Linux/UNIX platform",
+                "ext-pdo_mysql": "For MySQL or MariaDB database",
+                "ext-pdo_oci": "For Oracle database",
+                "ext-pdo_oci8": "For Oracle version 8 database",
+                "ext-pdo_pqsql": "For PostgreSQL database",
+                "ext-pdo_sqlite": "For SQLite database",
+                "ext-pdo_sqlsrv": "For MSSQL database on Windows platform"
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@@ -103,18 +104,21 @@
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                 }
             ],
-            "description": "The Lightest PHP database framework to accelerate development",
-            "homepage": "http://medoo.in",
+            "description": "The lightest PHP database framework to accelerate development",
+            "homepage": "https://medoo.in",
             "keywords": [
                 "database",
                 "lightweight",
+                "mariadb",
                 "mssql",
                 "mysql",
+                "oracle",
                 "php framework",
+                "postgresql",
                 "sql",
                 "sqlite"
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-            "time": "2017-02-17T16:05:35+00:00"
+            "time": "2017-05-16T14:30:44+00:00"
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@@ -714,16 +718,16 @@
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+            "version": "v3.2.8",
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                 "url": "https://github.com/symfony/event-dispatcher.git",
-                "reference": "154bb1ef7b0e42ccc792bd53edbce18ed73440ca"
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@@ -770,20 +774,20 @@
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             "description": "Symfony EventDispatcher Component",
             "homepage": "https://symfony.com",
-            "time": "2017-04-04T07:26:27+00:00"
+            "time": "2017-05-01T14:58:48+00:00"
         },
         {
             "name": "symfony/options-resolver",
-            "version": "v3.2.7",
+            "version": "v3.2.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/options-resolver.git",
-                "reference": "6a19be85237fe8bbd4975f86942b4763bb0da6ca"
+                "reference": "8cbb4f23414e2a5e92690cf67680a979a461113c"
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-                "reference": "6a19be85237fe8bbd4975f86942b4763bb0da6ca",
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             "require": {
@@ -824,7 +828,7 @@
                 "configuration",
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-            "time": "2017-03-21T21:44:32+00:00"
+            "time": "2017-04-12T14:13:17+00:00"
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@@ -995,16 +999,16 @@
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+            "version": "v3.2.8",
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                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "62b4cdb99d52cb1ff253c465eb1532a80cebb621"
+                "reference": "acec26fcf7f3031e094e910b94b002fa53d4e4d6"
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@@ -1046,7 +1050,7 @@
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             "homepage": "https://symfony.com",
-            "time": "2017-03-20T09:45:15+00:00"
+            "time": "2017-05-01T14:55:58+00:00"
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     "packages-dev": [],