diff --git a/composer.json b/composer.json
index 495d02dce..19994c52e 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
     "nyholm/psr7": "^1.5",
     "phpbench/phpbench": "^1.2",
     "phpstan/extension-installer": "^1.1",
-    "phpstan/phpstan": "1.11.7",
+    "phpstan/phpstan": "1.11.8",
     "phpstan/phpstan-phpunit": "1.4.0",
     "phpstan/phpstan-strict-rules": "1.6.0",
     "phpunit/phpunit": "^9.5 || ^10.5.21",
diff --git a/src/Executor/ReferenceExecutor.php b/src/Executor/ReferenceExecutor.php
index 98d15f3b9..7554f1337 100644
--- a/src/Executor/ReferenceExecutor.php
+++ b/src/Executor/ReferenceExecutor.php
@@ -772,9 +772,7 @@ protected function completeValueCatchingError(
         try {
             $promise = $this->getPromise($result);
             if ($promise !== null) {
-                $completed = $promise->then(function (&$resolved) use ($contextValue, $returnType, $fieldNodes, $info, $path, $unaliasedPath) {
-                    return $this->completeValue($returnType, $fieldNodes, $info, $path, $unaliasedPath, $resolved, $contextValue);
-                });
+                $completed = $promise->then(fn (&$resolved) => $this->completeValue($returnType, $fieldNodes, $info, $path, $unaliasedPath, $resolved, $contextValue));
             } else {
                 $completed = $this->completeValue($returnType, $fieldNodes, $info, $path, $unaliasedPath, $result, $contextValue);
             }
diff --git a/src/Validator/Rules/UniqueOperationNames.php b/src/Validator/Rules/UniqueOperationNames.php
index 281cc5877..3eb21a26c 100644
--- a/src/Validator/Rules/UniqueOperationNames.php
+++ b/src/Validator/Rules/UniqueOperationNames.php
@@ -36,9 +36,7 @@ public function getVisitor(QueryValidationContext $context): array
 
                 return Visitor::skipNode();
             },
-            NodeKind::FRAGMENT_DEFINITION => static function (): VisitorOperation {
-                return Visitor::skipNode();
-            },
+            NodeKind::FRAGMENT_DEFINITION => static fn (): VisitorOperation => Visitor::skipNode(),
         ];
     }
 
diff --git a/tests/StarWarsSchema.php b/tests/StarWarsSchema.php
index a2db75671..913cc1c16 100644
--- a/tests/StarWarsSchema.php
+++ b/tests/StarWarsSchema.php
@@ -175,9 +175,7 @@ public static function build(): Schema
                         $fieldSelection['id'] = true;
 
                         return \array_map(
-                            static function ($friend) use ($fieldSelection): array {
-                                return \array_intersect_key($friend, $fieldSelection);
-                            },
+                            static fn ($friend): array => \array_intersect_key($friend, $fieldSelection),
                             StarWarsData::friends($human)
                         );
                     },