diff --git a/composer.json b/composer.json
index a548995..28f4e46 100644
--- a/composer.json
+++ b/composer.json
@@ -22,8 +22,8 @@
         "psr/http-client": "^1.0"
     },
     "require-dev": {
-        "phpstan/phpstan": "^2.0.4",
-        "squizlabs/php_codesniffer": "^3.11.2"
+        "phpstan/phpstan": "2.1.56",
+        "squizlabs/php_codesniffer": "3.13.5"
     },
     "autoload": {
         "psr-4": {