diff --git a/scripts/install b/scripts/install
index 7d97d88..57200e9 100644
--- a/scripts/install
+++ b/scripts/install
@@ -96,7 +96,7 @@ ynh_app_setting_set $app port $port
 ###		- As well as the section "REINSTALL DEPENDENCIES" in the restore script
 ###		- And the section "UPGRADE DEPENDENCIES" in the upgrade script
 
-ynh_install_app_dependencies redis-server
+ynh_install_app_dependencies redis-server postgresql postgresql-contrib
 ynh_install_nodejs 10
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index b9a2aec..a0dee8c 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -91,7 +91,7 @@ chown -R $app: $final_path
 #=================================================
 
 # Define and install dependencies
-ynh_install_app_dependencies redis-server
+ynh_install_app_dependencies redis-server postgresql postgresql-contrib
 ynh_install_nodejs 10
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 6c75129..3673e1d 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -90,7 +90,7 @@ ynh_add_nginx_config
 # UPGRADE DEPENDENCIES
 #=================================================
 
-ynh_install_app_dependencies redis-server
+ynh_install_app_dependencies redis-server postgresql postgresql-contrib
 ynh_install_nodejs 10
 
 #=================================================