diff --git a/README.md b/README.md
index dc61adb..11405c4 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,13 @@
 # glorytun
+
+glorytun depends on [libsodium](https://github.com/jedisct1/libsodium) version >= 1.0.4
+and needs an AES-NI capable CPU.
+
+To build and install the latest version:
+
+    $ git clone https://github.com/angt/glorytun
+    $ cd glorytun
+    $ ./autogen.sh
+    $ ./configure
+    $ make
+    # make install