diff --git a/composer.json b/composer.json
index 5cb33e67d..b7cd645bd 100644
--- a/composer.json
+++ b/composer.json
@@ -25,6 +25,7 @@
 		"paragonie/random_compat": "^2.0",
 		"pear/Text_LanguageDetect": "1.*",
 		"pear/Text_Highlighter": "dev-master",
+		"seld/cli-prompt": "^1.0",
 		"smarty/smarty": "^3.1",
 		"fxp/composer-asset-plugin": "~1.3",
 		"bower-asset/base64": "^1.0",
diff --git a/composer.lock b/composer.lock
index 34362cb1b..f294c16ef 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "96062c2020a40f14b52e5e91c79995a7",
+    "content-hash": "f97245142e60a521f048a667bec4e436",
     "packages": [
         {
             "name": "asika/simple-console",
@@ -1988,6 +1988,54 @@
             "description": "PSR-6 adapter for RW File Cache",
             "time": "2018-01-30T19:13:45+00:00"
         },
+        {
+            "name": "seld/cli-prompt",
+            "version": "1.0.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Seldaek/cli-prompt.git",
+                "reference": "a19a7376a4689d4d94cab66ab4f3c816019ba8dd"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Seldaek/cli-prompt/zipball/a19a7376a4689d4d94cab66ab4f3c816019ba8dd",
+                "reference": "a19a7376a4689d4d94cab66ab4f3c816019ba8dd",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Seld\\CliPrompt\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Jordi Boggiano",
+                    "email": "j.boggiano@seld.be"
+                }
+            ],
+            "description": "Allows you to prompt for user input on the command line, and optionally hide the characters they type",
+            "keywords": [
+                "cli",
+                "console",
+                "hidden",
+                "input",
+                "prompt"
+            ],
+            "time": "2017-03-18T11:32:45+00:00"
+        },
         {
             "name": "smarty/smarty",
             "version": "v3.1.31",