diff --git a/Dockerfile b/Dockerfile
index 9d8ad21..f6e3415 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.21
+# syntax=docker/dockerfile:1.22
 FROM lukemathwalker/cargo-chef:latest-rust-1.87 AS chef
 WORKDIR /app