diff --git a/Dockerfile b/Dockerfile
index e525cce..ad0dc12 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.7.1@sha256:a57df69d0ea827fb7266491f2813635de6f17269be881f696fbfdf2d83dda33e
+# syntax=docker/dockerfile:1.8.0@sha256:d6d396f3780b1dd56a3acbc975f57bd2fc501989b50164c41387c42d04e780d0
 FROM ksmanis/stage3:20240610@sha256:289ff648993614bc8abc0db511caa44b8a7de50add2465fcf3f47679c6bdd5a2 AS distcc-builder
 RUN --mount=type=bind,from=ksmanis/gentoo-distcc:tcp,source=/var/cache/binpkgs,target=/cache \
     --mount=type=bind,from=ksmanis/portage,source=/var/db/repos/gentoo,target=/var/db/repos/gentoo \