diff --git a/composer.json b/composer.json
index 131eb49..b9a0de1 100644
--- a/composer.json
+++ b/composer.json
@@ -2,14 +2,14 @@
     "name": "medlmobileenterprises/omnipay-cybersource-so",
     "type": "library",
     "require": {
-        "omnipay/common": "~3.0",
+        "omnipay/common": "^2.0",
         "ext-json": "*",
         "cybersource/sdk-php": "^1.0"
     },
     "require-dev": {
-        "omnipay/tests": "~3.0",
-        "squizlabs/php_codesniffer": "^3",
-        "phpunit/phpunit": "^6"
+        "omnipay/tests": "^2.0",
+        "squizlabs/php_codesniffer": "^1",
+        "phpunit/phpunit": "^3"
     },
     "license": "MIT",
     "autoload": {