diff --git a/nextcloud/Dockerfile.19.0 b/nextcloud/Dockerfile.19.0
index 6ea6576..8bd5e04 100644
--- a/nextcloud/Dockerfile.19.0
+++ b/nextcloud/Dockerfile.19.0
@@ -1,4 +1,4 @@
-FROM hoellen/nginx-php:7.4
+FROM hoellen/nginx-php:7.3
 
 ARG NEXTCLOUD_VERSION=19.0.3
 ARG GPG_nextcloud="2880 6A87 8AE4 23A2 8372  792E D758 99B9 A724 937A"
diff --git a/nextcloud/Dockerfile.20.0 b/nextcloud/Dockerfile.20.0
index 4b63902..5c3ab7e 100644
--- a/nextcloud/Dockerfile.20.0
+++ b/nextcloud/Dockerfile.20.0
@@ -1,4 +1,4 @@
-FROM hoellen/nginx-php:7.4
+FROM hoellen/nginx-php:7.3
 
 ARG NEXTCLOUD_VERSION=20.0.0
 ARG GPG_nextcloud="2880 6A87 8AE4 23A2 8372  792E D758 99B9 A724 937A"