diff --git a/README.md b/README.md
index cfce1be6..141ee8c4 100644
--- a/README.md
+++ b/README.md
@@ -78,7 +78,7 @@ Optional dependencies for module support:
 
 ~~~ sh
 $ pacman -S cmake python2 boost xcb-util-wm libxft wireless_tools alsa-lib libmpdclient jsoncpp
-$ apt-get install cmake cmake-data libboost-dev libfreetype6-dev libxcb1-dev libxcb-util0-dev libxcb-randr0-dev libxcb-ewmh-dev libxcb-icccm4-dev xcb-proto python-xcbgen i3-wm libiw-dev libasound2-dev libmpdclient-dev
+$ apt-get install cmake cmake-data libboost-dev libfreetype6-dev libxcb1-dev libx11-xcb-dev libxcb-util0-dev libxcb-randr0-dev libxcb-ewmh-dev libxcb-icccm4-dev xcb-proto python-xcbgen i3-wm libiw-dev libasound2-dev libmpdclient-dev
 ~~~