diff --git a/Dockerfile b/Dockerfile
index b55ec1f..5614859 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.4@sha256:9ba7531bd80fb0a858632727cf7a112fbfd19b17e94c4e84ced81e24ef1a0dbc
+# syntax=docker/dockerfile:1.13@sha256:426b85b823c113372f766a963f68cfd9cd4878e1bcc0fda58779127ee98a28eb
 
 # The archlinux/archlinux repo is updated daily:
 FROM archlinux/archlinux:base-devel@sha256:8a571d44262661bfb1dc5211192c578f5406ceb1e512687b7b4da4e874145c5b AS base