diff --git a/.gitignore b/.gitignore
index 5657f6e..7579f74 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-vendor
\ No newline at end of file
+vendor
+composer.lock
diff --git a/composer.json b/composer.json
index 1b23252..04a4e08 100644
--- a/composer.json
+++ b/composer.json
@@ -4,8 +4,8 @@
     "keywords": ["wordpress", "plugin", "orm", "eloquent", "sql"],
     "homepage": "https://github.com/tareq1988/wp-eloquent",
     "require": {
-        "illuminate/database": "^5.4",
-        "illuminate/pagination": "^5.4"
+        "illuminate/database": "5.4.*",
+        "illuminate/pagination": "5.4.*"
     },
     "license": "GPL-2.0-or-later",
     "authors": [
diff --git a/composer.lock b/composer.lock
deleted file mode 100644
index 7516f65..0000000
--- a/composer.lock
+++ /dev/null
@@ -1,610 +0,0 @@
-{
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-                "url": "https://github.com/doctrine/inflector.git",
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-            },
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-            },
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-                }
-            },
-            "autoload": {
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-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Roman Borschel",
-                    "email": "roman@code-factory.org"
-                },
-                {
-                    "name": "Benjamin Eberlei",
-                    "email": "kontakt@beberlei.de"
-                },
-                {
-                    "name": "Guilherme Blanco",
-                    "email": "guilhermeblanco@gmail.com"
-                },
-                {
-                    "name": "Jonathan Wage",
-                    "email": "jonwage@gmail.com"
-                },
-                {
-                    "name": "Johannes Schmitt",
-                    "email": "schmittjoh@gmail.com"
-                }
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-            "description": "Common String Manipulations with regard to casing and singular/plural rules.",
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-            "keywords": [
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-                "singularize",
-                "string"
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-                }
-            },
-            "autoload": {
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-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
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-            ],
-            "authors": [
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-                }
-            ],
-            "description": "The Illuminate Container package.",
-            "homepage": "https://laravel.com",
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-            },
-            "type": "library",
-            "extra": {
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-                }
-            },
-            "autoload": {
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-                }
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-            "notification-url": "https://packagist.org/downloads/",
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-            "authors": [
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-                }
-            ],
-            "description": "The Illuminate Contracts package.",
-            "homepage": "https://laravel.com",
-            "time": "2018-03-25T12:54:46+00:00"
-        },
-        {
-            "name": "illuminate/database",
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-                "illuminate/support": "5.6.*",
-                "php": "^7.1.3"
-            },
-            "suggest": {
-                "doctrine/dbal": "Required to rename columns and drop SQLite columns (~2.6).",
-                "fzaninotto/faker": "Required to use the eloquent factory builder (~1.4).",
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-                "illuminate/events": "Required to use the observers with Eloquent (5.6.*).",
-                "illuminate/filesystem": "Required to use the migrations (5.6.*).",
-                "illuminate/pagination": "Required to paginate the result set (5.6.*)."
-            },
-            "type": "library",
-            "extra": {
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-                    "dev-master": "5.6-dev"
-                }
-            },
-            "autoload": {
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-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
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-                }
-            ],
-            "description": "The Illuminate Database package.",
-            "homepage": "https://laravel.com",
-            "keywords": [
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-                "laravel",
-                "orm",
-                "sql"
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-        },
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-            "name": "illuminate/pagination",
-            "version": "v5.6.15",
-            "source": {
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-                "url": "https://github.com/illuminate/pagination.git",
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-            },
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-                "illuminate/support": "5.6.*",
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-                "ext-mbstring": "*",
-                "illuminate/contracts": "5.6.*",
-                "nesbot/carbon": "^1.24.1",
-                "php": "^7.1.3"
-            },
-            "conflict": {
-                "tightenco/collect": "<5.5.33"
-            },
-            "suggest": {
-                "illuminate/filesystem": "Required to use the composer class (5.6.*).",
-                "symfony/process": "Required to use the composer class (~4.0).",
-                "symfony/var-dumper": "Required to use the dd function (~4.0)."
-            },
-            "type": "library",
-            "extra": {
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-                }
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-            "license": [
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-            ],
-            "authors": [
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-                }
-            ],
-            "description": "The Illuminate Support package.",
-            "homepage": "https://laravel.com",
-            "time": "2018-03-29T15:55:16+00:00"
-        },
-        {
-            "name": "nesbot/carbon",
-            "version": "1.25.0",
-            "source": {
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-            "dist": {
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-            },
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-            "keywords": [
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-                "datetime",
-                "time"
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-            "time": "2018-03-19T15:50:49+00:00"
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-            "notification-url": "https://packagist.org/downloads/",
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-            "description": "Common Container Interface (PHP FIG PSR-11)",
-            "homepage": "https://github.com/php-fig/container",
-            "keywords": [
-                "PSR-11",
-                "container",
-                "container-interface",
-                "container-interop",
-                "psr"
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-            "time": "2017-02-14T16:28:37+00:00"
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-        {
-            "name": "psr/simple-cache",
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-                "caching",
-                "psr",
-                "psr-16",
-                "simple-cache"
-            ],
-            "time": "2017-10-23T01:57:42+00:00"
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-            "version": "v1.7.0",
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-            },
-            "type": "library",
-            "extra": {
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-                }
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-            "autoload": {
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-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
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-                    "name": "Nicolas Grekas",
-                    "email": "p@tchwork.com"
-                },
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
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-            "description": "Symfony polyfill for the Mbstring extension",
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-            "source": {
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-                "symfony/config": "<3.4",
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-                "symfony/yaml": "<3.4"
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-            },
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-            "description": "Symfony Translation Component",
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-            "time": "2018-02-22T10:50:29+00:00"
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-    ],
-    "packages-dev": [],
-    "aliases": [],
-    "minimum-stability": "stable",
-    "stability-flags": [],
-    "prefer-stable": false,
-    "prefer-lowest": false,
-    "platform": [],
-    "platform-dev": []
-}