diff --git a/composer.lock b/composer.lock
index 34eb671..2099804 100644
--- a/composer.lock
+++ b/composer.lock
@@ -180,23 +180,23 @@
         },
         {
             "name": "react/promise",
-            "version": "v2.7.1",
+            "version": "v2.8.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/reactphp/promise.git",
-                "reference": "31ffa96f8d2ed0341a57848cbb84d88b89dd664d"
+                "reference": "f3cff96a19736714524ca0dd1d4130de73dbbbc4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/reactphp/promise/zipball/31ffa96f8d2ed0341a57848cbb84d88b89dd664d",
-                "reference": "31ffa96f8d2ed0341a57848cbb84d88b89dd664d",
+                "url": "https://api.github.com/repos/reactphp/promise/zipball/f3cff96a19736714524ca0dd1d4130de73dbbbc4",
+                "reference": "f3cff96a19736714524ca0dd1d4130de73dbbbc4",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.4.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.8"
+                "phpunit/phpunit": "^7.0 || ^6.5 || ^5.7 || ^4.8.36"
             },
             "type": "library",
             "autoload": {
@@ -222,7 +222,7 @@
                 "promise",
                 "promises"
             ],
-            "time": "2019-01-07T21:25:54+00:00"
+            "time": "2020-05-12T15:16:56+00:00"
         },
         {
             "name": "wyrihaximus/doctrine-annotation-autoloader",
@@ -984,6 +984,7 @@
                     "email": "jakub.onderka@gmail.com"
                 }
             ],
+            "abandoned": "php-parallel-lint/php-console-color",
             "time": "2018-09-29T17:23:10+00:00"
         },
         {
@@ -1028,6 +1029,7 @@
                     "homepage": "http://www.acci.cz/"
                 }
             ],
+            "abandoned": "php-parallel-lint/php-console-highlighter",
             "time": "2015-04-20T18:58:01+00:00"
         },
         {
@@ -1075,6 +1077,7 @@
             ],
             "description": "This tool check syntax of PHP files about 20x faster than serial check.",
             "homepage": "https://github.com/JakubOnderka/PHP-Parallel-Lint",
+            "abandoned": "php-parallel-lint/php-parallel-lint",
             "time": "2015-12-15T10:42:16+00:00"
         },
         {
@@ -1196,6 +1199,7 @@
                 "normalizer",
                 "plugin"
             ],
+            "abandoned": "ergebnis/composer-normalize",
             "time": "2018-01-14T12:15:12+00:00"
         },
         {
@@ -1246,6 +1250,7 @@
                 "json",
                 "normalizer"
             ],
+            "abandoned": "ergebnis/json-normalizer",
             "time": "2018-01-13T21:59:29+00:00"
         },
         {
@@ -1295,6 +1300,7 @@
                 "json",
                 "printer"
             ],
+            "abandoned": "ergebnis/json-printer",
             "time": "2018-01-27T21:05:05+00:00"
         },
         {