diff --git a/docker/dev/arch.Dockerfile b/docker/dev/arch.Dockerfile
index 19b8e6647..45eefc0d2 100644
--- a/docker/dev/arch.Dockerfile
+++ b/docker/dev/arch.Dockerfile
@@ -1,6 +1,6 @@
 # Arch Linux dev image. CPU-only by default; toggle ENABLE_CUDA / ENABLE_SYCL.
 # Arch rolls forward aggressively — use this for the "latest toolchain" build.
-FROM archlinux:latest@sha256:d9abf957599bddf27955a0dd82b4457dcfaace50525bb773f6c7518f8015e7e4
+FROM archlinux:latest@sha256:3406a568f45d68f0bef35dc80b3eacec8bda59b0292b2e50d5932ba1667f20cf
 
 ARG ENABLE_CUDA=false
 ARG ENABLE_SYCL=false