diff --git a/Containerfile b/Containerfile
index 3e55cc4..837e29d 100644
--- a/Containerfile
+++ b/Containerfile
@@ -1,4 +1,4 @@
-FROM caddy:latest
+FROM docker.io/library/caddy:2.6.0-beta.3
 
 COPY Caddyfile /etc/caddy/Caddyfile
 COPY index.html /srv/