diff --git a/Dockerfile b/Dockerfile
index b1bf715..5e6e98d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:1.7
 
 # ── Stage 1: Build ────────────────────────────────────────────
-FROM rust:1.93-slim@sha256:9663b80a1621253d30b146454f903de48f0af925c967be48c84745537cd35d8b AS builder
+FROM rust:1.93-slim@sha256:c0a38f5662afdb298898da1d70b909af4bda4e0acff2dc52aea6360a9b9c6956 AS builder
 
 WORKDIR /app