diff --git a/composer.json b/composer.json
index 6b5b4c7..5db3939 100644
--- a/composer.json
+++ b/composer.json
@@ -31,12 +31,15 @@
         "backstage/laravel-mails": "self.version"
     },
     "require-dev": {
+        "larastan/larastan": "^3.0",
         "laravel/pint": "^1.16",
         "nunomaduro/collision": "^8.8.0",
         "orchestra/testbench": "^9.0|^10.0",
         "pestphp/pest": "^3.7",
         "pestphp/pest-plugin-arch": "^3.1.0",
-        "pestphp/pest-plugin-laravel": "^3.0"
+        "pestphp/pest-plugin-laravel": "^3.0",
+        "phpstan/extension-installer": "^1.3",
+        "phpstan/phpstan-deprecation-rules": "^2.0"
     },
     "autoload": {
         "psr-4": {
@@ -81,4 +84,4 @@
             "url": "git@github.com:backstagephp/laravel-mails.git"
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/Resources/EventResource.php b/src/Resources/EventResource.php
index cad0ca3..762a6b5 100644
--- a/src/Resources/EventResource.php
+++ b/src/Resources/EventResource.php
@@ -98,6 +98,7 @@ public static function infolist(Schema $schema): Schema
                                         EventType::COMPLAINED => 'warning',
                                         EventType::UNSUBSCRIBED => 'danger',
                                         EventType::ACCEPTED => 'success',
+                                        default => 'gray',
                                     })
                                     ->formatStateUsing(function (EventType $state) {
                                         return ucwords(str_replace('_', ' ', $state->value));
@@ -224,6 +225,7 @@ public static function table(Table $table): Table
                         EventType::COMPLAINED => 'warning',
                         EventType::UNSUBSCRIBED => 'danger',
                         EventType::ACCEPTED => 'success',
+                        default => 'gray',
                     })
                     ->formatStateUsing(function (EventType $state) {
                         return ucwords(str_replace('_', ' ', $state->value));
diff --git a/src/Resources/MailResource.php b/src/Resources/MailResource.php
index ab6d281..f18deb4 100644
--- a/src/Resources/MailResource.php
+++ b/src/Resources/MailResource.php
@@ -231,6 +231,7 @@ public static function infolist(Schema $schema): Schema
                                                         EventType::COMPLAINED => 'warning',
                                                         EventType::UNSUBSCRIBED => 'danger',
                                                         EventType::ACCEPTED => 'success',
+                                                        default => 'gray',
                                                     })
                                                     ->formatStateUsing(function (EventType $state) {
                                                         return ucfirst($state->value);