diff --git a/README.md b/README.md
new file mode 100644
index 0000000..9bebdbd
--- /dev/null
+++ b/README.md
@@ -0,0 +1,67 @@
+# Filternet
+A simple utility to check whether the given url/domain is blocked in Iran.
+
+## Installation
+
+Run the following command to install this [package](https://packagist.org/packages/filternet/filternet):
+
+~~~bash
+composer global require filternet/filternet
+~~~
+
+## Usage
+
+#### DNS
+
+~~~bash
+filternet check:dns youtube.com -s 8.8.8.8
+~~~
+
+Result:
+
+~~~
+ 2/2 [============================] 100% Done!
++-------------+-----------------+---------+---------------------+
+| Domain      | IP              | Status  | Date                |
++-------------+-----------------+---------+---------------------+
+| youtube.com | 10.10.34.36     | Blocked | 2016-03-14 01:27:58 |
+| YOUTUBE.COM | 173.194.116.195 | Open    | 2016-03-14 01:27:58 |
++-------------+-----------------+---------+---------------------+
+~~~
+
+#### HTTP
+
+~~~bash
+filternet check:http http://dropbox.com
+~~~
+
+Result:
+
+~~~
+ 100/100 [============================] 100% Done!
++--------------------+------------------------+-------+---------+---------------------+
+| Url                | HTTP Response Status   | Title | Status  | Date                |
++--------------------+------------------------+-------+---------+---------------------+
+| http://dropbox.com | HTTP/1.0 403 Forbidden | M4-8  | Blocked | 2016-03-14 01:30:18 |
++--------------------+------------------------+-------+---------+---------------------+
+~~~
+
+#### TLS SNI (Server Name Indication)
+
+~~~bash
+filternet check:sni twitter.com
+~~~
+
+~~~
+ 2/2 [============================] 100% Done!
++-------------+---------+---------------------+
+| SNI Name    | Status  | Date                |
++-------------+---------+---------------------+
+| twitter.com | Blocked | 2016-03-14 01:34:40 |
+| TWITTER.COM | Open    | 2016-03-14 01:34:40 |
++-------------+---------+---------------------+
+~~~
+
+## License
+
+This project is released under the [MIT](https://github.com/alibo/filternet/blob/master/LICENSE) License.
diff --git a/composer.json b/composer.json
index 1ee17a1..830b364 100644
--- a/composer.json
+++ b/composer.json
@@ -10,9 +10,9 @@
         "dns-hijacking"
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": ">=5.6",
         "react/dns": "~0.4.0",
-        "symfony/console": "^3.0"
+        "symfony/console": "~2.8|~3.0"
     },
     "autoload": {
         "psr-4": {