diff --git a/Dockerfile b/Dockerfile
index bdaf4ea..703fa53 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM wonderfall/nginx-php:7.4
+FROM wonderfall/nginx-php:7.3
 
 ARG NEXTCLOUD_VERSION=19.0.4
 ARG GPG_nextcloud="2880 6A87 8AE4 23A2 8372  792E D758 99B9 A724 937A"