Updated Index and switched to Carbon for date handling.

composer.json

@@ -1,15 +1,14 @@
 {
-    "minimum-stability": "dev",
-    "prefer-stable": true,
     "require": {
-        "flashwave/index": "dev-master",
-        "flashwave/sasae": "dev-master",
+        "flashwave/index": "^0.2408.40014",
+        "flashwave/sasae": "^1.1",
+        "flashwave/syokuhou": "^1.2",
         "erusev/parsedown": "~1.6",
         "chillerlan/php-qrcode": "^4.3",
         "symfony/mailer": "^6.0",
         "matomo/device-detector": "^6.1",
         "sentry/sdk": "^4.0",
-        "flashwave/syokuhou": "dev-master"
+        "nesbot/carbon": "^3.7"
     },
     "autoload": {
         "classmap": [
@@ -34,6 +33,6 @@
         }
     },
     "require-dev": {
-        "phpstan/phpstan": "^1.10"
+        "phpstan/phpstan": "^1.11"
     }
 }