diff --git a/building.md b/building.md
index a5112a0..12b014d 100644
--- a/building.md
+++ b/building.md
@@ -12,7 +12,7 @@ this document describes to how compile musikcube on all supported platforms
 
 you'll need [homebrew](http://brew.sh/) to install the required dependencies. 
 
-- `brew install cmake boost openssl libogg libvorbis flac faad2 libmicrohttpd lame libev taglib`
+- `brew install cmake boost openssl libogg libvorbis ffmpeg libmicrohttpd lame libev taglib`
 - `git clone https://github.com/clangen/musikcube.git --recursive`
 - `cd musikcube`
 - `cmake .`
@@ -22,7 +22,7 @@ you'll need [homebrew](http://brew.sh/) to install the required dependencies.
 
 ## linux and bsd
 
-- install the following libraries and their development packages: `cmake boost libogg vorbis flac faad2 ncurses zlib asound pulse libcurl libmicrohttpd libmp3lame libev4 taglib`
+- install the following libraries and their development packages: `cmake boost libogg vorbis ffmpeg ncurses zlib asound pulse libcurl libmicrohttpd libmp3lame libev4 taglib`
   - **ubuntu**
     - **cosmic**: `sudo apt-get install build-essential clang cmake libboost-thread1.67-dev libboost-system1.67-dev libboost-filesystem1.67-dev libboost-date-time1.67-dev libboost-atomic1.67-dev libboost-chrono1.67-dev libogg-dev libvorbis-dev libavutil-dev libavformat-dev libswresample-dev libncursesw5-dev libasound2-dev libpulse-dev pulseaudio libmicrohttpd-dev libmp3lame-dev libcurl4-openssl-dev libev-dev libssl-dev libtag1-dev`
     - **bionic**: `sudo apt-get install build-essential clang cmake libboost-thread1.65-dev libboost-system1.65-dev libboost-filesystem1.65-dev libboost-date-time1.65-dev libboost-atomic1.65-dev libboost-chrono1.65-dev libogg-dev libvorbis-dev libavutil-dev libavformat-dev libswresample-dev libncursesw5-dev libasound2-dev libpulse-dev pulseaudio libmicrohttpd-dev libmp3lame-dev libcurl4-openssl-dev libev-dev libssl-dev libtag1-dev`