diff --git a/README.md b/README.md
index bfe917ffec8062932687dc0415110a2f6dad99f4..1e746f799032974053c55e2f3187babcc6070c53 100644
--- a/README.md
+++ b/README.md
@@ -48,12 +48,9 @@ On Debian based systems this would mean that the following packages have to be i
 
 ```
 $ sudo apt-get install build-essential gcc make cmake cmake-gui cmake-curses-gui
-```
-
-If you will be using secure sockets (and you probably should):
-
-```
-$ sudo apt-get install libssl-dev 
+$ sudo apt-get install libssl-dev
+$ sudo apt-get install doxygen graphviz
+$ sudo apt-get install libcppunit-dev
 ```
 
 Before building the C++ library, first, build and install the Paho C library: