diff --git a/phpstan/config.neon b/phpstan/config.neon
index a07471575..2390fa97c 100644
--- a/phpstan/config.neon
+++ b/phpstan/config.neon
@@ -1,4 +1,5 @@
 includes:
+    - ../vendor/phpstan/phpstan/conf/bleedingEdge.neon
     - ../vendor/phpstan/phpstan-phpunit/extension.neon
     - ../vendor/phpstan/phpstan-deprecation-rules/rules.neon
     - ../vendor/phpstan/phpstan-strict-rules/rules.neon
diff --git a/src/Composer/DependencyResolver/RuleSet.php b/src/Composer/DependencyResolver/RuleSet.php
index 69159fd79..0eb714238 100644
--- a/src/Composer/DependencyResolver/RuleSet.php
+++ b/src/Composer/DependencyResolver/RuleSet.php
@@ -42,7 +42,7 @@ class RuleSet implements \IteratorAggregate, \Countable
     /** @var array<self::TYPE_*, Rule[]> */
     protected $rules;
 
-    /** @var int */
+    /** @var 0|positive-int */
     protected $nextRuleId = 0;
 
     /** @var array<int|string, Rule|Rule[]> */
diff --git a/src/Composer/Repository/ArrayRepository.php b/src/Composer/Repository/ArrayRepository.php
index 92de7a614..b0a0e3b6c 100644
--- a/src/Composer/Repository/ArrayRepository.php
+++ b/src/Composer/Repository/ArrayRepository.php
@@ -321,7 +321,7 @@ class ArrayRepository implements RepositoryInterface
     /**
      * Returns the number of packages in this repository
      *
-     * @return int Number of packages
+     * @return 0|positive-int Number of packages
      */
     public function count(): int
     {