diff --git a/Dockerfile b/Dockerfile
index c48d87f..7ea5e56 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM nextcloud:latest
+FROM nextcloud:27.1.0
 LABEL maintainer="Jiří Štefka <jiri@stefka.eu>"
 
 RUN apt update && apt upgrade -y --no-install-recommends && apt install ffmpeg aria2 youtube-dl libmagickcore-dev -y --no-install-recommends