From cd51827a8c0cbbb5c01bc8d081f333001ebd1692 Mon Sep 17 00:00:00 2001
From: "renovate[bot]" <29139614+renovate[bot]@users.noreply.github.com>
Date: Thu, 22 Jan 2026 09:03:19 +0000
Subject: [PATCH] Update docker/dockerfile Docker tag to v1.21

---
 Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index 538f037..61a04b0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-#syntax=docker/dockerfile:1.20
+#syntax=docker/dockerfile:1.21
 
 # Versions
 FROM dunglas/frankenphp:1-php8.3 AS frankenphp_upstream