diff --git a/build/target-repository/composer.json b/build/target-repository/composer.json
index d61948dc3cb..f89de72b9bb 100644
--- a/build/target-repository/composer.json
+++ b/build/target-repository/composer.json
@@ -9,7 +9,7 @@
     ],
     "require": {
         "php": "^7.4|^8.0",
-        "phpstan/phpstan": "^2.1.47"
+        "phpstan/phpstan": "^2.1.48"
     },
     "autoload": {
         "files": [
diff --git a/composer.json b/composer.json
index 4c625a699dd..32935ef8124 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
         "nikic/php-parser": "^5.7",
         "ondram/ci-detector": "^4.2",
         "phpstan/phpdoc-parser": "^2.3",
-        "phpstan/phpstan": "^2.1.47",
+        "phpstan/phpstan": "^2.1.48",
         "react/event-loop": "^1.6",
         "react/promise": "^3.3",
         "react/socket": "^1.17",
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector/Fixture/false_and_true.php.inc b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector/Fixture/false_and_true.php.inc
index 8db764d7d68..6c4b65ff70b 100644
--- a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector/Fixture/false_and_true.php.inc
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector/Fixture/false_and_true.php.inc
@@ -19,7 +19,7 @@ function FalseAndTrue()
 namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\DocblockReturnArrayFromDirectArrayInstanceRector\Fixture;
 
 /**
- * @return array<string, bool[]>
+ * @return array<string, array<int, bool>>
  */
 function FalseAndTrue()
 {
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector/Fixture/override_bare_array.php.inc b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector/Fixture/override_bare_array.php.inc
index 4f150b2b07c..bc9c1e510f8 100644
--- a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector/Fixture/override_bare_array.php.inc
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector/Fixture/override_bare_array.php.inc
@@ -20,7 +20,7 @@ function overrideBareArray()
 namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\DocblockReturnArrayFromDirectArrayInstanceRector\Fixture;
 
 /**
- * @return array<string, bool[]>
+ * @return array<string, array<int, bool>>
  */
 function overrideBareArray()
 {