diff --git a/manifest.toml b/manifest.toml
index eed4e14..2bc00b4 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -59,7 +59,7 @@ ram.runtime = "50M"
     main.url = "/"
 
     [resources.apt]
-    packages = "mariadb-server"
+    packages = "postgresql"
 
     [resources.database]
-    type = "mysql"
+    type = "postgresql"
diff --git a/scripts/backup b/scripts/backup
index dbeab83..1ec9c55 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -43,7 +43,7 @@ ynh_backup --src_path="/etc/systemd/system/$app.service"
 #=================================================
 ynh_print_info --message="Backing up the MySQL database..."
 
-ynh_mysql_dump_db --database="$db_name" > db.sql
+ynh_psql_dump_db --database="$db_name" > db.sql
 
 #=================================================
 # END OF SCRIPT
diff --git a/scripts/restore b/scripts/restore
index 4f494c5..ec4b464 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -29,11 +29,11 @@ ynh_restore_file --origin_path="$data_dir" --not_mandatory
 chown -R $app:www-data "$data_dir"
 
 #=================================================
-# RESTORE THE MYSQL DATABASE
+# RESTORE THE POSTGRESQL DATABASE
 #=================================================
-ynh_script_progression --message="Restoring the MySQL database..." --weight=1
+ynh_script_progression --message="Restoring the PostgreSQL database..." --weight=1
 
-ynh_mysql_connect_as --user=$db_user --password=$db_pwd --database=$db_name < ./db.sql
+ynh_psql_connect_as --user=$db_user --password=$db_pwd --database=$db_name < ./db.sql
 
 #=================================================
 # REINSTALL DEPENDENCIES