diff --git a/composer.lock b/composer.lock
index f5995e0e..7d09323d 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1306,26 +1306,26 @@
         },
         {
             "name": "laravel/slack-notification-channel",
-            "version": "v2.1.0",
+            "version": "v2.2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/laravel/slack-notification-channel.git",
-                "reference": "d0a7f53342a5daa74e43e1b08dc8a7e83db152d8"
+                "reference": "98e0fe5c8dda645e6af914285af7b742e167462a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/laravel/slack-notification-channel/zipball/d0a7f53342a5daa74e43e1b08dc8a7e83db152d8",
-                "reference": "d0a7f53342a5daa74e43e1b08dc8a7e83db152d8",
+                "url": "https://api.github.com/repos/laravel/slack-notification-channel/zipball/98e0fe5c8dda645e6af914285af7b742e167462a",
+                "reference": "98e0fe5c8dda645e6af914285af7b742e167462a",
                 "shasum": ""
             },
             "require": {
                 "guzzlehttp/guzzle": "^6.0|^7.0",
-                "illuminate/notifications": "~5.8.0|^6.0|^7.0",
+                "illuminate/notifications": "~5.8.0|^6.0|^7.0|^8.0",
                 "php": "^7.1.3"
             },
             "require-dev": {
                 "mockery/mockery": "^1.0",
-                "phpunit/phpunit": "^7.0|^8.0"
+                "phpunit/phpunit": "^7.0|^8.0|^9.0"
             },
             "type": "library",
             "extra": {
@@ -1359,7 +1359,7 @@
                 "notifications",
                 "slack"
             ],
-            "time": "2020-06-30T20:34:53+00:00"
+            "time": "2020-08-25T18:21:34+00:00"
         },
         {
             "name": "laravel/tinker",