diff --git a/assets/setup/install b/assets/setup/install
index c1f3ea7f..f988b1c0 100755
--- a/assets/setup/install
+++ b/assets/setup/install
@@ -2,6 +2,9 @@
 
 set -e
 
+GITLAB_VERSION=6.7.2
+SHELL_VERSION=1.9.1
+
 # add git user
 adduser --disabled-login --gecos 'GitLab' git
 
@@ -13,7 +16,7 @@ sudo -u git -H mkdir -p /home/git/data
 
 # install gitlab-shell
 sudo -u git -H mkdir -p /home/git/gitlab-shell
-wget "https://github.com/gitlabhq/gitlab-shell/archive/v1.9.1.tar.gz" -O - | tar -zvxf - --strip=1 -C /home/git/gitlab-shell/
+wget "https://github.com/gitlabhq/gitlab-shell/archive/v${SHELL_VERSION}.tar.gz" -O - | tar -zvxf - --strip=1 -C /home/git/gitlab-shell/
 chown -R git:git /home/git/gitlab-shell/
 
 cd /home/git/gitlab-shell
@@ -22,7 +25,7 @@ sudo -u git -H ./bin/install
 
 # install gitlab
 sudo -u git -H mkdir -p /home/git/gitlab
-wget "https://github.com/gitlabhq/gitlabhq/archive/v6.7.2.tar.gz" -O - | tar -zvxf - --strip=1 -C /home/git/gitlab/
+wget "https://github.com/gitlabhq/gitlabhq/archive/v${GITLAB_VERSION}.tar.gz" -O - | tar -zvxf - --strip=1 -C /home/git/gitlab/
 chown -R git:git /home/git/gitlab/
 
 cd /home/git/gitlab