diff --git a/README.md b/README.md
index 2668be6..1d919f4 100644
--- a/README.md
+++ b/README.md
@@ -7,10 +7,15 @@ This repository holds all interfaces/classes/traits related to
 Note that this is not a HTTP message implementation of its own. It is merely an
 interface that describes a HTTP message. See the specification for more details.
 
+Installation
+------------
+
+```composer require psr/http-message```
+
 Usage
 -----
 
 Before reading the usage guide we recommend reading the PSR-7 interfaces method list:
 
 * [`PSR-7 Interfaces Method List`](docs/PSR7-Interfaces.md)
-* [`PSR-7 Usage Guide`](docs/PSR7-Usage.md)
\ No newline at end of file
+* [`PSR-7 Usage Guide`](docs/PSR7-Usage.md)