diff --git a/Dockerfile b/Dockerfile
index 2d1dc2ecdbe35b965ac728d9a32c114f910b3c7a..a7cbb237535321dc55e039f6d49b9342c334cd53 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,14 +8,14 @@ MAINTAINER Erik Hedenström <erik@codemate.se>
 
 # Install and configure Exim
 RUN \
-  apt-get -y install exim4-daemon-light && \
+  apt-fast -y install exim4-daemon-light && \
   sed -i -e "s/dc_eximconfig_configtype='local'/dc_eximconfig_configtype='internet'/" /etc/exim4/update-exim4.conf.conf && \
   sed -i -e "s/127.0.0.1/0.0.0.0/" /etc/exim4/update-exim4.conf.conf && \
   update-exim4.conf
 
 # Install and configure MySQL
 RUN \
-  apt-get -y install mysql-server && \
+  apt-fast -y install mysql-server && \
   sed -i -e "s/^bind-address\s*=\s*127.0.0.1/bind-address = 0.0.0.0/" /etc/mysql/my.cnf
 
 # Default Environment