diff --git a/composer.json b/composer.json
index 4c828ec..21691e1 100644
--- a/composer.json
+++ b/composer.json
@@ -11,14 +11,14 @@
     ],
     "license": "MIT",
     "require": {
-        "php": "^8.3",
+        "php": "^5.3.2 || ^7.0",
         "ext-curl": "*",
-        "composer-plugin-api": "^2"
+        "composer-plugin-api": "^1.0.0"
     },
     "require-dev": {
-        "composer/composer": "^2.6",
-        "phpunit/phpunit": "4.8.* || 5.7.* || ^9.5",
-        "squizlabs/php_codesniffer": "3.*"
+        "composer/composer": "1.0.0",
+        "phpunit/phpunit": "4.8.* || 5.7.* || ^6.3",
+        "squizlabs/php_codesniffer": "^2.5"
     },
     "scripts": {
         "test": "phpunit --colors=always",