diff --git a/doc/how_to_build_linux.md b/doc/how_to_build_linux.md
index e353f9a..ffba401 100644
--- a/doc/how_to_build_linux.md
+++ b/doc/how_to_build_linux.md
@@ -16,7 +16,7 @@ You will need to install some dependencies before you can build. Depending on yo
 ### Installing required packages on Debian / Ubuntu
 
 ```
-$ sudo apt-get install build-essential git cmake pkg-config libboost-all-dev qt5-default qtbase5-dev libqt5svg5-dev qtscript5-dev qttools5-dev-tools libqt5opengl5-dev qtmultimedia5-dev libsuperlu-dev liblz4-dev libusb-1.0-0-dev liblzo2-dev libpng-dev libjpeg-dev libglew-dev freeglut3-dev libsdl2-dev libfreetype6-dev
+$ sudo apt-get install build-essential git cmake pkg-config libboost-all-dev qt5-default qtbase5-dev libqt5svg5-dev qtscript5-dev qttools5-dev qttools5-dev-tools libqt5opengl5-dev qtmultimedia5-dev libsuperlu-dev liblz4-dev libusb-1.0-0-dev liblzo2-dev libpng-dev libjpeg-dev libglew-dev freeglut3-dev libsdl2-dev libfreetype6-dev
 ```
 
 Notes: