diff --git a/Makefile b/Makefile
index 7dbd44a..0598efd 100644
--- a/Makefile
+++ b/Makefile
@@ -55,15 +55,15 @@ ti: vendor
 
 vendor:
 	$(COMPOSER) update $(DEPS_STRATEGY)
-	$(EXEC_PHP) composer -d tools/php-cs-fixer update
 
 PHP_CS_FIXER = docker-compose run --rm -T php tools/php-cs-fixer/vendor/bin/php-cs-fixer fix -vv --allow-risky=yes
 
 phpcs:
-	PHP_VERSION=8.1 docker-compose run --rm -T php composer require --working-dir=tools/php-cs-fixer friendsofphp/php-cs-fixer
+	PHP_VERSION=8.1 $(EXEC_PHP) composer -d tools/php-cs-fixer update
 	PHP_VERSION=8.1 $(PHP_CS_FIXER) --dry-run
 
 phpcbf:
+	PHP_VERSION=8.1 $(EXEC_PHP) composer -d tools/php-cs-fixer update
 	PHP_VERSION=8.1 $(PHP_CS_FIXER)
 
 phpstan: vendor
diff --git a/phpstan.neon b/phpstan.neon
index 185bbe9..9ce79cb 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -18,6 +18,11 @@ parameters:
             count: 1
             path: src/Text/functions.php
 
+        -
+            message: "#^Method PhpSpellcheck\\\\MisspellingHandler\\\\MisspellingHandlerInterface\\:\\:handle\\(\\) has no return type specified\\.$#"
+            count: 1
+            path: src/MisspellingHandler/MisspellingHandlerInterface.php
+
         -
             message: "#^Function pspell_config_create is unsafe to use\\. It can return FALSE instead of throwing an exception\\. Please add 'use function Safe\\\\pspell_config_create;' at the beginning of the file to use the variant provided by the 'thecodingmachine/safe' library\\.$#"
             count: 1
diff --git a/src/MisspellingHandler/MisspellingHandlerInterface.php b/src/MisspellingHandler/MisspellingHandlerInterface.php
index c608c74..176e0a9 100644
--- a/src/MisspellingHandler/MisspellingHandlerInterface.php
+++ b/src/MisspellingHandler/MisspellingHandlerInterface.php
@@ -11,5 +11,5 @@ interface MisspellingHandlerInterface
     /**
      * @param MisspellingInterface[] $misspellings
      */
-    public function handle(iterable $misspellings): mixed;
+    public function handle(iterable $misspellings);
 }