diff --git a/composer.json b/composer.json
index a9bd94b..8f3fd41 100644
--- a/composer.json
+++ b/composer.json
@@ -3,9 +3,9 @@
     "description": "PHPStan rules for functional programming",
     "type": "library",
     "require": {
-        "php": ">=7.3",
-        "phpstan/phpstan": "^1.4.9",
-        "illuminate/collections": "^8.83.4"
+        "php": ">=8.1",
+        "phpstan/phpstan": "^1.10.24",
+        "illuminate/collections": "^10.14.1"
     },
     "license": "MIT",
     "autoload": {
diff --git a/phpstan.neon b/phpstan.neon
index 1667c11..c844d27 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -1,5 +1,5 @@
 parameters:
-  level: 8
+  level: 5
   paths:
     - src
     - tests