diff --git a/README.md b/README.md
index aeb306be76f..a7ee3c0fe1f 100644
--- a/README.md
+++ b/README.md
@@ -60,7 +60,7 @@ sudo dnf install curl freeglut-devel libtool gcc-c++ libXi-devel \
 On Arch Linux:
 
 ``` sh
-sudo pacman -S --needed base-devel git python2 python2-virtualenv python2-pip mesa cmake bzip2 libxmu glu
+sudo pacman -S --needed base-devel git python2 python2-virtualenv python2-pip mesa cmake bzip2 libxmu glu pkg-config
 ```
 
 On Gentoo Linux: