diff --git a/webservice/Dockerfile b/webservice/Dockerfile
index 506cfae..746a752 100644
--- a/webservice/Dockerfile
+++ b/webservice/Dockerfile
@@ -1,6 +1,6 @@
 FROM php:7.3-apache
 
-ENV NEXTCLOUD_VERSION 17.0.0
+ENV NEXTCLOUD_VERSION 18.0.0
 
 RUN \
     apt-get update && \