diff --git a/Readme.md b/Readme.md
index f6ac5e88b..b54d9b5a3 100644
--- a/Readme.md
+++ b/Readme.md
@@ -219,7 +219,7 @@ Install cmake version 3:
 
 <h3>With newer versions just do:</h3>
 
-  - `sudo apt-get install cmake g++ pkg-config libfftw3-dev libqt5multimedia5-plugins qtmultimedia5-dev qttools5-dev qttools5-dev-tools libqt5opengl5-dev qtbase5-dev libusb-1.0 librtlsdr-dev libboost-all-dev libasound2-dev pulseaudio liblz4-dev libnanomsg-dev`
+  - `sudo apt-get install cmake g++ pkg-config libfftw3-dev libqt5multimedia5-plugins qtmultimedia5-dev qttools5-dev qttools5-dev-tools libqt5opengl5-dev qtbase5-dev libusb-1.0 librtlsdr-dev libboost-all-dev libasound2-dev pulseaudio liblz4-dev libnanomsg-dev libopencv-dev`
   - `mkdir build && cd build && cmake ../ && make`
 
 `librtlsdr-dev` is in the `universe` repo. (utopic 14.10 amd64.)
@@ -236,7 +236,7 @@ Debian 7 "wheezy" uses Qt4. Qt5 is available from the "wheezy-backports" repo, b
 
 For Debian Jessie or Stretch:
 
-`sudo apt-get install cmake g++ pkg-config libfftw3-dev libusb-1.0-0-dev libusb-dev qt5-default qtbase5-dev qtchooser libqt5multimedia5-plugins qtmultimedia5-dev qttools5-dev qttools5-dev-tools libqt5opengl5-dev qtbase5-dev librtlsdr-dev libboost-all-dev libasound2-dev pulseaudio`
+`sudo apt-get install cmake g++ pkg-config libfftw3-dev libusb-1.0-0-dev libusb-dev qt5-default qtbase5-dev qtchooser libqt5multimedia5-plugins qtmultimedia5-dev qttools5-dev qttools5-dev-tools libqt5opengl5-dev qtbase5-dev librtlsdr-dev libboost-all-dev libasound2-dev pulseaudio libopencv-dev`
 
 `mkdir build && cd build && cmake ../ && make`