diff --git a/phpstan-composer.json b/phpstan-composer.json
index 3ecc9e6..04b3e66 100644
--- a/phpstan-composer.json
+++ b/phpstan-composer.json
@@ -1,13 +1,11 @@
 {
    "name": "pocketmine/phpstan-plugin-config",
    "require": {
-      "phpstan/phpstan": "0.12.99",
-      "pocketmine/pocketmine-mp": "4.0.0-BETA4@dev",
-      "phpstan/phpstan-strict-rules": "^0.12.2",
+      "phpstan/phpstan": "1.2.0",
+      "pocketmine/pocketmine-mp": "^4.0.0",
+      "phpstan/phpstan-strict-rules": "^1.0.0",
       "phpstan/extension-installer": "^1.0"
    },
-   "minimum-stability": "dev",
-   "prefer-stable": true,
    "autoload": {
       "psr-4": {
          "": "./src"