diff --git a/installer/install.sh b/installer/install.sh
--- a/installer/install.sh
+++ b/installer/install.sh
@@ -13,7 +13,7 @@
   zlib1g zlib1g-dev libssl-dev libyaml-dev libsqlite3-dev \
   sqlite3 libxml2-dev libxslt-dev autoconf libc6-dev \
   ncurses-dev automake libtool bison subversion \
-  pkg-config curl nodejs unzip pyflakes ruby
+  pkg-config curl nodejs unzip pyflakes ruby default-jdk
 
 echo "Installing RVM"
 curl -k -L https://get.rvm.io | bash -s stable