diff --git a/.env.example b/.env.example
index c038ab0..f7a1102 100644
--- a/.env.example
+++ b/.env.example
@@ -1,6 +1,6 @@
+REQUIRED_PARAM_NAME_USER_PHONE=msisdn
 REQUIRED_PARAM_NAME_MENU_STRING=message
-REQUIRED_PARAM_NAME_REQUEST_TYPE=ussdServiceOp
 REQUIRED_PARAM_NAME_SESSION_ID=sessionID
+REQUIRED_PARAM_NAME_USER_NETWORK=network
 REQUIRED_PARAM_NAME_USER_RESPONSE=ussdString
-REQUIRED_PARAM_NAME_USER_PHONE=msisdn
-REQUIRED_PARAM_NAME_USER_NETWORK=network
\ No newline at end of file
+REQUIRED_PARAM_NAME_REQUEST_TYPE=ussdServiceOp
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 1356db0..a4d5ea9 100644
--- a/composer.json
+++ b/composer.json
@@ -17,12 +17,12 @@
       "homepage": "https://github.com/prinx"
     }
   ],
-  "minimum-stability": "dev",
+  "minimum-stability": "stable",
   "require": {
     "php": ">=5.6.0",
-    "prinx/dotenv": "^0.4.2",
-    "prinx/notify": "^0.0.1",
-    "prinx/phputils": "^0.0.3"
+    "prinx/dotenv": "^0.4",
+    "prinx/notify": "^0.0",
+    "prinx/phputils": "^0.0"
   },
   "config": {
     "optimize-autoloader": true
diff --git a/composer.lock b/composer.lock
deleted file mode 100644
index 2a2ff83..0000000
--- a/composer.lock
+++ /dev/null
@@ -1,157 +0,0 @@
-{
-    "_readme": [
-        "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
-        "This file is @generated automatically"
-    ],
-    "content-hash": "e851327be13c6d030d5ae2d89b9ba68e",
-    "packages": [
-        {
-            "name": "prinx/dotenv",
-            "version": "0.4.2",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/prinx/dotenv.git",
-                "reference": "c713e8da1eca3f496d6855e50ad88315371d632d"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/prinx/dotenv/zipball/c713e8da1eca3f496d6855e50ad88315371d632d",
-                "reference": "c713e8da1eca3f496d6855e50ad88315371d632d",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.6.0"
-            },
-            "require-dev": {
-                "phpunit/phpunit": "9.2.5"
-            },
-            "type": "library",
-            "autoload": {
-                "files": [
-                    "src/env.php",
-                    "src/env_namespaced.php"
-                ],
-                "psr-4": {
-                    "Prinx\\Dotenv\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Prince Damien Dorcis-Akpaglo",
-                    "email": "princedorcis@gmail.com",
-                    "homepage": "https://github.com/prinx",
-                    "role": "Maintainer"
-                }
-            ],
-            "description": "Make easy access to the environment variables in your application",
-            "homepage": "https://github.com/prinx/dotenv",
-            "keywords": [
-                "dotenv",
-                "env",
-                "phpdotenv"
-            ],
-            "time": "2020-08-18T10:15:41+00:00"
-        },
-        {
-            "name": "prinx/notify",
-            "version": "v0.0.1",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/prinx/notify.git",
-                "reference": "2cc56b55082fcd4c08b056487f3ff8e1a8198c86"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/prinx/notify/zipball/2cc56b55082fcd4c08b056487f3ff8e1a8198c86",
-                "reference": "2cc56b55082fcd4c08b056487f3ff8e1a8198c86",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.6.0"
-            },
-            "require-dev": {
-                "phpunit/phpunit": "9.2.5"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "Prinx\\Notify\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Prince Dorcis",
-                    "email": "princedorcis@gmail.com",
-                    "homepage": "https://prinx.github.io",
-                    "role": "Maintainer"
-                }
-            ],
-            "description": "Simple log package",
-            "homepage": "https://github.com/prinx/notify",
-            "time": "2020-10-01T10:54:42+00:00"
-        },
-        {
-            "name": "prinx/phputils",
-            "version": "v0.0.3",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/prinx/phputils.git",
-                "reference": "84c3ce1483f6c1db6ad3f4532555b452c4f2064a"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/prinx/phputils/zipball/84c3ce1483f6c1db6ad3f4532555b452c4f2064a",
-                "reference": "84c3ce1483f6c1db6ad3f4532555b452c4f2064a",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.1.0"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "Prinx\\Utils\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Prince Damien Dorcis-Akpaglo",
-                    "email": "princedorcis@gmail.com",
-                    "homepage": "https://github.com/Prinx",
-                    "role": "Developer"
-                }
-            ],
-            "description": "PHP Utilities classes",
-            "homepage": "https://github.com/Prinx/phputils",
-            "keywords": [
-                "php",
-                "utils"
-            ],
-            "time": "2020-10-22T14:42:29+00:00"
-        }
-    ],
-    "packages-dev": [],
-    "aliases": [],
-    "minimum-stability": "dev",
-    "stability-flags": [],
-    "prefer-stable": false,
-    "prefer-lowest": false,
-    "platform": {
-        "php": ">=5.6.0"
-    },
-    "platform-dev": [],
-    "plugin-api-version": "1.1.0"
-}