diff --git a/docker/Dockerfile b/docker/Dockerfile
index 52eab692..b52acb25 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-# syntax = docker/dockerfile:1.14@sha256:4c68376a702446fc3c79af22de146a148bc3367e73c25a5803d453b6b3f722fb
+# syntax = docker/dockerfile:1.22@sha256:4a43a54dd1fedceb30ba47e76cfcf2b47304f4161c0caeac2db1c61804ea3c91
 
 FROM docker.io/ruby:3.4.2-slim@sha256:98e208daf93d40485edf2f5e1a1527202ae0824cdc1619b6659674a84aa197ba AS build