diff --git a/infra/Dockerfile.server b/infra/Dockerfile.server
index da31c42..bc16b97 100644
--- a/infra/Dockerfile.server
+++ b/infra/Dockerfile.server
@@ -1,5 +1,5 @@
 # ── Build stage ───────────────────────────────────────────────────────────────
-FROM rust:1.84-slim-bookworm AS builder
+FROM rust:1.94-slim-bookworm AS builder
 
 RUN apt-get update && apt-get install -y \
     pkg-config \
diff --git a/server/Cargo.toml b/server/Cargo.toml
index 019e383..4ecb6ec 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "hiy-server"
 version = "0.1.0"
-edition = "2021"
+edition = "2024"
 
 [[bin]]
 name = "hiy-server"