diff --git a/Dockerfile b/Dockerfile
index 88affc2..9c5ca2a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.6@sha256:ac85f380a63b13dfcefa89046420e1781752bab202122f8f50032edf31be0021
+# syntax=docker/dockerfile:1.7.0
 FROM ksmanis/stage3:20240304@sha256:6639407ba10a2f7797f85037fb0ae1afb660f4a05b90fb7e2bd0a39e923838fd 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 \