diff --git a/Dockerfile b/Dockerfile
index 1520ef3..d8d5c4f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.26.0@sha256:ecfaec9ed6d810b56388c508f4121597bfbba70d41a6dfeee4d8cad5f295fc32
+# syntax=docker/dockerfile:1.27.0@sha256:bde3983e9c939224420ddaf6b784cc30e09b035a4dea01f581230c50809f372e
 
 # renovate: datasource=github-releases depName=mathjax packageName=mathjax/MathJax
 ARG MATHJAX_VERSION=4.1.3