diff --git a/Dockerfile b/Dockerfile
index fa3b856..a155801 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,11 +9,14 @@ RUN sed -i 's/main$/main universe/' /etc/apt/sources.list
 RUN apt-get -qq update
 RUN apt-get -qqy upgrade
 
-RUN apt-get install -y bc bsdmainutils file screen
-RUN apt-get install -y android-tools-adb android-tools-fastboot
+# Install build dependencies (source: https://wiki.cyanogenmod.org/w/Build_for_angler)
 RUN apt-get install -y bison build-essential curl flex git gnupg gperf libesd0-dev liblz4-tool libncurses5-dev libsdl1.2-dev libwxgtk2.8-dev libxml2 libxml2-utils lzop maven openjdk-7-jdk openjdk-7-jre pngcrush schedtool squashfs-tools xsltproc zip zlib1g-dev
 RUN apt-get install -y g++-multilib gcc-multilib lib32ncurses5-dev lib32readline-gplv2-dev lib32z1-dev
+
+# Install additional packages which are useful for building Android
 RUN apt-get install -y ccache rsync tig
+RUN apt-get install -y android-tools-adb android-tools-fastboot
+RUN apt-get install -y bc bsdmainutils file screen
 
 RUN mkdir -p /home/cmbuild && useradd --no-create-home cmbuild && rsync -a /etc/skel/ /home/cmbuild/