diff --git a/composer.json b/composer.json
index 3e949bb..e2c8591 100644
--- a/composer.json
+++ b/composer.json
@@ -16,10 +16,10 @@
     },
     "require-dev": {
         "ext-json": "*",
-        "phpunit/phpunit": "^9.6.8",
-        "phpstan/phpstan": "^1.10",
-        "phpstan/extension-installer": "^1.3",
-        "phpstan/phpstan-phpunit": "^1.3"
+        "phpunit/phpunit": "^9.6.13",
+        "phpstan/phpstan": "^1.10.38",
+        "phpstan/extension-installer": "^1.3.1",
+        "phpstan/phpstan-phpunit": "^1.3.15"
     },
     "conflict": {
         "symplify/easy-coding-standard": "11.1.18"