diff --git a/scripts/_common.sh b/scripts/_common.sh
index ecdc29c8..0036dc16 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -5,7 +5,7 @@
 #=================================================
 
 # dependencies used by the app
-pkg_dependencies="deb1 deb2"
+pkg_dependencies="php7.1 php7.1-fpm php7.1-mbstring postgresql redis-server"
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/install b/scripts/install
index 1bc16018..4c223e9d 100644
--- a/scripts/install
+++ b/scripts/install
@@ -55,7 +55,7 @@ ynh_print_info "Installing dependencies..."
 
 ynh_install_php7
 
-ynh_install_app_dependencies php7.1 php7.1-fpm php7.1-mbstring postgresql redis-server
+ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================
 # CREATE A POSTGRESQL DATABASE