diff --git a/.node-version b/.node-version
index 8ce70308..2a393af5 100644
--- a/.node-version
+++ b/.node-version
@@ -1 +1 @@
-20.16.0
+20.18.0
diff --git a/Dockerfile b/Dockerfile
index 006e43f2..9ec3feb2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1.11.1@sha256:10c699f1b6c8bdc8f6b4ce8974855dd8542f1768c26eb240237b8f1c9c6c9976
 
-FROM node:20.16.0-bookworm@sha256:d3c8ababe9566f9f3495d0d365a5c4b393f607924647dd52e75bf4f8a54effd3 AS deps
+FROM node:20.18.0-bookworm@sha256:a7a3b7ec6de4b11bb2d673b31de9d28c6da09c557ee65453672c8e4f754c23fc AS deps
 ARG NODE_ENV=production
 WORKDIR /app
 RUN npm config set cache /.npm
@@ -11,7 +11,7 @@ RUN --mount=type=cache,id=npm-$TARGETPLATFORM,target=/.npm \
     npm ci
 RUN node -e "console.log(require('@discordjs-japan/om-syrinx').JPREPROCESS_VERSION)" > .jpreprocess-version
 
-FROM --platform=$BUILDPLATFORM node:20.16.0-bookworm@sha256:d3c8ababe9566f9f3495d0d365a5c4b393f607924647dd52e75bf4f8a54effd3 AS builder
+FROM --platform=$BUILDPLATFORM node:20.18.0-bookworm@sha256:a7a3b7ec6de4b11bb2d673b31de9d28c6da09c557ee65453672c8e4f754c23fc AS builder
 ARG NODE_ENV=development
 WORKDIR /app
 RUN npm config set cache /.npm
@@ -24,16 +24,16 @@ RUN --mount=type=cache,id=npm-$BUILDPLATFORM,target=/.npm \
 COPY --link ./src/ ./src/
 RUN npm run build
 
-FROM --platform=$BUILDPLATFORM node:20.16.0-bookworm@sha256:d3c8ababe9566f9f3495d0d365a5c4b393f607924647dd52e75bf4f8a54effd3 AS dictionary
+FROM --platform=$BUILDPLATFORM node:20.18.0-bookworm@sha256:a7a3b7ec6de4b11bb2d673b31de9d28c6da09c557ee65453672c8e4f754c23fc AS dictionary
 WORKDIR /app
 COPY --link --from=deps /app/.jpreprocess-version ./
 RUN curl -L "https://github.com/jpreprocess/jpreprocess/releases/download/v$(cat .jpreprocess-version)/naist-jdic-jpreprocess.tar.gz" | tar xzf -
 
-FROM --platform=$BUILDPLATFORM node:20.16.0-bookworm@sha256:d3c8ababe9566f9f3495d0d365a5c4b393f607924647dd52e75bf4f8a54effd3 AS models
+FROM --platform=$BUILDPLATFORM node:20.18.0-bookworm@sha256:a7a3b7ec6de4b11bb2d673b31de9d28c6da09c557ee65453672c8e4f754c23fc AS models
 WORKDIR /app
 RUN curl -L "https://github.com/icn-lab/htsvoice-tohoku-f01/archive/refs/heads/master.tar.gz" | tar xzf -
 
-FROM --platform=$BUILDPLATFORM node:20.16.0-bookworm@sha256:d3c8ababe9566f9f3495d0d365a5c4b393f607924647dd52e75bf4f8a54effd3 AS user-dictionary
+FROM --platform=$BUILDPLATFORM node:20.18.0-bookworm@sha256:a7a3b7ec6de4b11bb2d673b31de9d28c6da09c557ee65453672c8e4f754c23fc AS user-dictionary
 WORKDIR /app
 COPY --link --from=deps /app/.jpreprocess-version ./
 RUN curl -L "https://github.com/jpreprocess/jpreprocess/releases/download/v$(cat .jpreprocess-version)/jpreprocess-$(uname -m)-unknown-linux-gnu.tgz" | tar xzf -
diff --git a/package-lock.json b/package-lock.json
index 86d8b0cd..a3fe8842 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,7 +20,7 @@
         "@eslint/js": "9.14.0",
         "@types/eslint__js": "8.42.3",
         "@types/eslint-config-prettier": "6.11.3",
-        "@types/node": "20.16.1",
+        "@types/node": "20.17.6",
         "dotenv": "16.4.5",
         "esbuild": "0.24.0",
         "esbuild-plugin-version-injector": "1.2.1",
@@ -1268,9 +1268,9 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "20.16.1",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.16.1.tgz",
-      "integrity": "sha512-zJDo7wEadFtSyNz5QITDfRcrhqDvQI1xQNQ0VoizPjM/dVAODqqIUWbJPkvsxmTI0MYRGRikcdjMPhOssnPejQ==",
+      "version": "20.17.6",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.17.6.tgz",
+      "integrity": "sha512-VEI7OdvK2wP7XHnsuXbAJnEpEkF6NjSN45QJlL4VGqZSXsnicpesdTWsg9RISeSdYd3yeRj/y3k5KGjUXYnFwQ==",
       "license": "MIT",
       "dependencies": {
         "undici-types": "~6.19.2"
diff --git a/package.json b/package.json
index 0108575a..76c90309 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "@eslint/js": "9.14.0",
     "@types/eslint__js": "8.42.3",
     "@types/eslint-config-prettier": "6.11.3",
-    "@types/node": "20.16.1",
+    "@types/node": "20.17.6",
     "dotenv": "16.4.5",
     "esbuild": "0.24.0",
     "esbuild-plugin-version-injector": "1.2.1",