diff --git a/composer.json b/composer.json
index 1358721ef0..84fc3723ca 100644
--- a/composer.json
+++ b/composer.json
@@ -171,7 +171,7 @@
         "mockery/mockery": "^1.5",
         "phpunit/phpunit": "^11.0",
         "phpstan/phpstan": "^1.10.0",
-        "larastan/larastan": "^2.7",
+        "larastan/larastan": "2.9.12",
         "symfony/var-dumper": "^7.0"
     },
     "config": {
diff --git a/php-packages/phpstan/composer.json b/php-packages/phpstan/composer.json
index 6a03b97d3e..d235ca84d4 100644
--- a/php-packages/phpstan/composer.json
+++ b/php-packages/phpstan/composer.json
@@ -6,7 +6,7 @@
     "require": {
         "flarum/testing": "^2.0",
         "phpstan/phpstan": "^1.10.0",
-        "larastan/larastan": "^2.7"
+        "larastan/larastan": "2.9.12"
     },
     "autoload": {
         "psr-4": {
diff --git a/php-packages/phpstan/larastan-extension.neon b/php-packages/phpstan/larastan-extension.neon
index 64d2471faf..4b050fe57e 100644
--- a/php-packages/phpstan/larastan-extension.neon
+++ b/php-packages/phpstan/larastan-extension.neon
@@ -281,7 +281,7 @@ services:
             - phpstan.broker.dynamicFunctionReturnTypeExtension
 
     -
-        class: Larastan\Larastan\ReturnTypes\CollectionFilterDynamicReturnTypeExtension
+        class: Larastan\Larastan\ReturnTypes\CollectionFilterRejectDynamicReturnTypeExtension
         tags:
             - phpstan.broker.dynamicMethodReturnTypeExtension
     -