diff --git a/docker/app/Dockerfile b/docker/app/Dockerfile
index d3f2b18..bc5f4a2 100644
--- a/docker/app/Dockerfile
+++ b/docker/app/Dockerfile
@@ -1,4 +1,4 @@
-FROM nextcloud:stable-fpm
+FROM nextcloud:20-fpm
 
 ARG NV
 ARG VCS_REF