diff --git a/docker/app/Dockerfile b/docker/app/Dockerfile
index 9e728be..b3c69f6 100644
--- a/docker/app/Dockerfile
+++ b/docker/app/Dockerfile
@@ -1,4 +1,4 @@
-FROM nextcloud:17-fpm
+FROM nextcloud:18-fpm
 
 ARG NV
 ARG VCS_REF