diff --git a/composer.lock b/composer.lock
index fce8f53..a1aad48 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,7 +1,7 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
     "content-hash": "fa0434e602408e38dff21368f5d6bb33",
@@ -108,21 +108,25 @@
         },
         {
             "name": "erusev/parsedown",
-            "version": "1.6.3",
+            "version": "1.7.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/erusev/parsedown.git",
-                "reference": "728952b90a333b5c6f77f06ea9422b94b585878d"
+                "reference": "6d893938171a817f4e9bc9e86f2da1e370b7bcd7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/erusev/parsedown/zipball/728952b90a333b5c6f77f06ea9422b94b585878d",
-                "reference": "728952b90a333b5c6f77f06ea9422b94b585878d",
+                "url": "https://api.github.com/repos/erusev/parsedown/zipball/6d893938171a817f4e9bc9e86f2da1e370b7bcd7",
+                "reference": "6d893938171a817f4e9bc9e86f2da1e370b7bcd7",
                 "shasum": ""
             },
             "require": {
+                "ext-mbstring": "*",
                 "php": ">=5.3.0"
             },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8.35"
+            },
             "type": "library",
             "autoload": {
                 "psr-0": {
@@ -146,7 +150,7 @@
                 "markdown",
                 "parser"
             ],
-            "time": "2017-05-14T14:47:48+00:00"
+            "time": "2019-03-17T18:48:37+00:00"
         },
         {
             "name": "guzzlehttp/guzzle",
@@ -345,9 +349,9 @@
             },
             "require": {
                 "guzzlehttp/guzzle": "~6.0",
-                "illuminate/support": "~5.0",
+                "illuminate/support": "^5.0 || ^6.0",
                 "league/event": "^2.1",
-                "php": ">=5.5.0"
+                "php": ">=5.6.0"
             },
             "require-dev": {
                 "phpspec/prophecy": "^1.5",
@@ -361,6 +365,14 @@
             "extra": {
                 "branch-alias": {
                     "dev-master": "3.0-dev"
+                },
+                "laravel": {
+                    "providers": [
+                        "Telegram\\Bot\\Laravel\\TelegramServiceProvider"
+                    ],
+                    "aliases": {
+                        "Telegram": "Telegram\\Bot\\Laravel\\Facades\\Telegram"
+                    }
                 }
             },
             "autoload": {
@@ -3603,6 +3615,7 @@
                 "mock",
                 "xunit"
             ],
+            "abandoned": true,
             "time": "2017-06-30T09:13:00+00:00"
         },
         {