diff --git a/.node-version b/.node-version
index cb406c60ce..4a1f488b6c 100644
--- a/.node-version
+++ b/.node-version
@@ -1 +1 @@
-16.20.2
+18.17.1
diff --git a/Dockerfile b/Dockerfile
index b698e375f9..8c108f16e8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:16.20.2-bullseye AS builder
+FROM node:18.17.1-bullseye AS builder
 
 ENV NODE_ENV=production
 WORKDIR /misskey
@@ -16,7 +16,7 @@ COPY . ./
 RUN pnpm build
 
 
-FROM node:16.20.2-bullseye-slim AS runner
+FROM node:18.17.1-bullseye-slim AS runner
 
 WORKDIR /misskey