diff --git a/docker/nextcloud/nextcloud.yml b/docker/nextcloud/nextcloud.yml
index 2f067a6..2c9ba30 100644
--- a/docker/nextcloud/nextcloud.yml
+++ b/docker/nextcloud/nextcloud.yml
@@ -37,7 +37,7 @@ services:
       - isard_net
 
   isard-apps-nextcloud-nginx:
-    image: nginx
+    image: $NGINX_IMG
     container_name: isard-apps-nextcloud-nginx
     restart: unless-stopped
     links:
diff --git a/main.conf.example b/main.conf.example
index ee8b10b..0ec3891 100644
--- a/main.conf.example
+++ b/main.conf.example
@@ -62,3 +62,4 @@ WORDPRESS_ADMIN_PASSWORD=W0rdpr3ss
 
 # DOCKER IMAGES
 MARIADB_IMG=mariadb:10.6.5
+NGINX_IMG=nginx:1.21.6