diff --git a/building.md b/building.md
index 34a95e1..4dee5bb 100644
--- a/building.md
+++ b/building.md
@@ -5,14 +5,14 @@ this document describes to how compile musikcube on all supported platforms
 
 - grab the [Visual Studio 2017 Community Edition](https://www.visualstudio.com/en-us/downloads/download-visual-studio-vs.aspx) and install the 32-bit c++ compiler.
 - clone the musikcube sources: `git clone https://github.com/clangen/musikcube.git --recursive`
-- install the [32 bit version of boost 1.65](https://sourceforge.net/projects/boost/files/boost-binaries/1.65.0/boost_1_65_0-msvc-14.1-32.exe/download). ensure it shares the same parent directory with musikcube. e.g: `c:\src\musikcube` and `c:\src\boost_1_65_0` -- the project's solution will reference it via relative path.
+- install the [32 bit version of boost 1.66](https://sourceforge.net/projects/boost/files/boost-binaries/1.66.0/boost_1_66_0-msvc-14.1-32.exe/download). ensure it shares the same parent directory with musikcube. e.g: `c:\src\musikcube` and `c:\src\boost_1_66_0` -- the project's solution will reference it via relative path.
 - open `musikcube.sln` and build/run. 
 
 ## mac
 
 you'll need [homebrew](http://brew.sh/) to install the required dependencies. 
 
-- `brew install cmake boost libogg libvorbis flac faad2 libmicrohttpd lame`
+- `brew install cmake boost libogg libvorbis flac faad2 libmicrohttpd lame libev`
 - `git clone https://github.com/clangen/musikcube.git --recursive`
 - `cd musikcube`
 - `cmake .`
@@ -22,21 +22,20 @@ 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`
+- install the following libraries and their development packages: `cmake boost libogg vorbis flac faad2 ncurses zlib asound pulse libcurl libmicrohttpd libmp3lame libev4`
   - **ubuntu**
-    - **zesty**: `sudo apt-get install build-essential clang cmake libboost-thread1.61-dev libboost-system1.61-dev libboost-filesystem1.61-dev libboost-date-time1.61-dev libboost-atomic1.61-dev libboost-chrono1.61-dev libogg-dev libvorbis-dev libflac-dev libfaad-dev libncursesw5-dev libasound2-dev libpulse-dev pulseaudio libmicrohttpd-dev libmp3lame-dev libcurl4-openssl-dev`
-    - **artful**: `sudo apt-get install build-essential clang cmake libboost-thread1.63-dev libboost-system1.63-dev libboost-filesystem1.63-dev libboost-date-time1.63-dev libboost-atomic1.63-dev libboost-chrono1.63-dev libogg-dev libvorbis-dev libflac-dev libfaad-dev libncursesw5-dev libasound2-dev libpulse-dev pulseaudio libmicrohttpd-dev libmp3lame-dev libcurl4-openssl-dev`
+    - **zesty**: `sudo apt-get install build-essential clang cmake libboost-thread1.61-dev libboost-system1.61-dev libboost-filesystem1.61-dev libboost-date-time1.61-dev libboost-atomic1.61-dev libboost-chrono1.61-dev libogg-dev libvorbis-dev libflac-dev libfaad-dev libncursesw5-dev libasound2-dev libpulse-dev pulseaudio libmicrohttpd-dev libmp3lame-dev libcurl4-openssl-dev libev-dev`
+    - **artful**: `sudo apt-get install build-essential clang cmake libboost-thread1.63-dev libboost-system1.63-dev libboost-filesystem1.63-dev libboost-date-time1.63-dev libboost-atomic1.63-dev libboost-chrono1.63-dev libogg-dev libvorbis-dev libflac-dev libfaad-dev libncursesw5-dev libasound2-dev libpulse-dev pulseaudio libmicrohttpd-dev libmp3lame-dev libcurl4-openssl-dev libev-dev`
   - **opensuse**: 
     - enable the _packman_ repo to get access to some packages missing from the official repository: `zypper ar -f -n packman http://ftp.gwdg.de/pub/linux/misc/packman/suse/openSUSE_Tumbleweed/ packman`
-    - `sudo zypper install libfaad-devel libcurl-devel libmicrohttpd-devel boost_1_64-devel cmake ncurses5-devel libogg-devel libvorbis-devel flac-devel liblame3-devel pulseaudio libpulse-devel alsa-devel zlib-devel`
-  - **fedora**: `sudo dnf install gcc-c++ cmake boost-devel libogg-devel libvorbis-devel flac-devel faad2-devel ncurses-devel zlib-devel alsa-lib-devel pulseaudio-libs-devel libcurl-devel libmicrohttpd-devel lame-devel`
-  - **arch**: `sudo pacman -S faad2 libogg libvorbis flac libmicrohttpd lame cmake ncurses boost pulseaudio libpulse alsa-lib curl`
-  - **freebsd**: `pkg install boost-all curl libvorbis libogg flac libmicrohttpd faad2 alsa-lib cmake sndio`
+    - `sudo zypper install libfaad-devel libcurl-devel libmicrohttpd-devel boost_1_64-devel cmake ncurses5-devel libogg-devel libvorbis-devel flac-devel liblame3-devel pulseaudio libpulse-devel alsa-devel zlib-devel libev-devel`
+  - **fedora**: `sudo dnf install gcc-c++ cmake boost-devel libogg-devel libvorbis-devel flac-devel faad2-devel ncurses-devel zlib-devel alsa-lib-devel pulseaudio-libs-devel libcurl-devel libmicrohttpd-devel lame-devel libev-devel`
+  - **arch**: `sudo pacman -S faad2 libogg libvorbis flac libmicrohttpd lame cmake ncurses boost pulseaudio libpulse alsa-lib curl libev`
+  - **freebsd**: `pkg install boost-all curl libvorbis libogg flac libmicrohttpd faad2 alsa-lib cmake sndio libev`
 - `git clone https://github.com/clangen/musikcube.git --recursive`
 - `cd musikcube`
 - `cmake .`
 - `make`
-- `cmake .` (yes, run it again after 'make'. TODO: fix this.)
 - `sudo make install`
 - `musikcube`