diff --git a/app/Http/Middleware/StartupCheck.php b/app/Http/Middleware/StartupCheck.php
index b01aff93b20b..b303a5653925 100644
--- a/app/Http/Middleware/StartupCheck.php
+++ b/app/Http/Middleware/StartupCheck.php
@@ -71,8 +71,8 @@ class StartupCheck
             $file = storage_path() . '/version.txt';
             $version = @file_get_contents($file);
             if ($version != NINJA_VERSION) {
-                if (version_compare(phpversion(), '7.0.0', '<')) {
-                    dd('Please update PHP to >= 7.0.0');
+                if (version_compare(phpversion(), '7.1.0', '<')) {
+                    dd('Please update PHP to >= 7.1.0');
                 }
                 $handle = fopen($file, 'w');
                 fwrite($handle, NINJA_VERSION);
diff --git a/composer.json b/composer.json
index 773e0f3caefa..95594bdb9915 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
         }
     ],
     "require": {
-        "php": ">=7.0.0",
+        "php": ">=7.1.0",
         "ext-gd": "*",
         "ext-gmp": "*",
         "anahkiasen/former": "4.*",
@@ -158,6 +158,10 @@
         {
             "type": "vcs",
             "url": "https://github.com/davidbankes/omnipay-firstdata.git"
+        },
+        {
+            "type": "vcs",
+            "url": "https://github.com/hillelcoren/omnipay-authorizenet"
         }
     ]
 }
diff --git a/docs/install.rst b/docs/install.rst
index 713ace9e14a3..7c2a44c91f1a 100644
--- a/docs/install.rst
+++ b/docs/install.rst
@@ -3,7 +3,7 @@ Install
 
 Thanks for taking the time to setup Invoice Ninja.
 
-.. Note:: The applications requires PHP 7.0, 7.1 or 7.2 and MySQL.
+.. Note:: The applications requires PHP 7.1 or 7.2 and MySQL.
 
 Detailed Guides
 ^^^^^^^^^^^^^^^
diff --git a/docs/update.rst b/docs/update.rst
index 99ab47e03d6a..744757c99f91 100644
--- a/docs/update.rst
+++ b/docs/update.rst
@@ -28,6 +28,11 @@ A common error with shared hosting is "open_basedir restriction in effect", if y
 
 .. TIP:: You can see the detailed changes for each release on our `GitHub release notes <https://github.com/invoiceninja/invoiceninja/releases>`_.
 
+Version 5.4.33
+"""""""""""
+
+The minimum PHP version is now 7.1.0
+
 Version 4.3
 """""""""""