diff --git a/src/nextcloud/constants-service.conf b/src/nextcloud/constants-service.conf
index 0e24149..8c7c995 100644
--- a/src/nextcloud/constants-service.conf
+++ b/src/nextcloud/constants-service.conf
@@ -33,7 +33,7 @@ NEXTCLOUD_VERSION="latest"
 NEXTCLOUD_PHP_VERSION="8.4"
 
 # Defines the postgresql version to install
-POSTGRES_VERSION=18
+POSTGRES_VERSION=17
 
 # Defines the IP from the SQL server
 NEXTCLOUD_DB_IP="127.0.0.1"