diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 8dd9d1c704..94f2d262f8 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -5,7 +5,7 @@
 	"workspaceFolder": "/workspace",
 	"features": {
 		"ghcr.io/devcontainers/features/node:1": {
-			"version": "22.11.0"
+			"version": "22.14.0"
 		},
 		"ghcr.io/devcontainers-extra/features/corepack:1": {
 			"version": "0.31.0"
diff --git a/.github/workflows/get-api-diff.yml b/.github/workflows/get-api-diff.yml
index 2da9647460..104641f3ad 100644
--- a/.github/workflows/get-api-diff.yml
+++ b/.github/workflows/get-api-diff.yml
@@ -21,7 +21,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [22.11.0]
+        node-version: [22.14.0]
         api-json-name: [api-base.json, api-head.json]
         include:
           - api-json-name: api-base.json
diff --git a/.github/workflows/on-release-created.yml b/.github/workflows/on-release-created.yml
index 8e4ad4368b..edcda8d46b 100644
--- a/.github/workflows/on-release-created.yml
+++ b/.github/workflows/on-release-created.yml
@@ -20,7 +20,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [22.11.0]
+        node-version: [22.14.0]
 
     steps:
       - uses: actions/checkout@v4.2.2
diff --git a/.github/workflows/test-backend.yml b/.github/workflows/test-backend.yml
index 2b8092cf45..b537bcbcc7 100644
--- a/.github/workflows/test-backend.yml
+++ b/.github/workflows/test-backend.yml
@@ -29,7 +29,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [22.11.0]
+        node-version: [22.14.0]
 
     services:
       postgres:
@@ -92,7 +92,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [22.11.0]
+        node-version: [22.14.0]
 
     services:
       postgres:
diff --git a/.github/workflows/test-federation.yml b/.github/workflows/test-federation.yml
index 0b71325de3..b77e97f437 100644
--- a/.github/workflows/test-federation.yml
+++ b/.github/workflows/test-federation.yml
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [22.11.0]
+        node-version: [22.14.0]
     steps:
       - uses: actions/checkout@v4
         with:
diff --git a/.github/workflows/test-frontend.yml b/.github/workflows/test-frontend.yml
index e489ebf07c..1659878ebb 100644
--- a/.github/workflows/test-frontend.yml
+++ b/.github/workflows/test-frontend.yml
@@ -33,7 +33,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [22.11.0]
+        node-version: [22.14.0]
 
     steps:
     - uses: actions/checkout@v4.2.2
@@ -69,7 +69,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: [22.11.0]
+        node-version: [22.14.0]
         browser: [chrome]
 
     services:
diff --git a/.github/workflows/test-misskey-js.yml b/.github/workflows/test-misskey-js.yml
index 05f757acc1..9cd95cbe10 100644
--- a/.github/workflows/test-misskey-js.yml
+++ b/.github/workflows/test-misskey-js.yml
@@ -26,7 +26,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [22.11.0]
+        node-version: [22.14.0]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
diff --git a/.github/workflows/test-production.yml b/.github/workflows/test-production.yml
index 56e42213ff..2d58adc030 100644
--- a/.github/workflows/test-production.yml
+++ b/.github/workflows/test-production.yml
@@ -18,7 +18,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [22.11.0]
+        node-version: [22.14.0]
 
     steps:
     - uses: actions/checkout@v4.2.2
diff --git a/.github/workflows/validate-api-json.yml b/.github/workflows/validate-api-json.yml
index a8b2402988..db298542cc 100644
--- a/.github/workflows/validate-api-json.yml
+++ b/.github/workflows/validate-api-json.yml
@@ -22,7 +22,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [22.11.0]
+        node-version: [22.14.0]
 
     steps:
     - uses: actions/checkout@v4.2.2
diff --git a/Dockerfile b/Dockerfile
index 3bc2044396..8956245c09 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax = docker/dockerfile:1.4
 
-ARG NODE_VERSION=22.11.0-bookworm
+ARG NODE_VERSION=22.14.0-bookworm
 
 # build assets & compile TypeScript
 
diff --git a/packages/backend/test-federation/compose.tpl.yml b/packages/backend/test-federation/compose.tpl.yml
index 8b270e58f7..4cf52aae11 100644
--- a/packages/backend/test-federation/compose.tpl.yml
+++ b/packages/backend/test-federation/compose.tpl.yml
@@ -12,7 +12,7 @@ services:
       retries: 20
 
   misskey:
-    image: node:20
+    image: node:22.14.0
     env_file:
       - ./.config/docker.env
     environment:
diff --git a/packages/backend/test-federation/compose.yml b/packages/backend/test-federation/compose.yml
index ed39109aab..bff14ab847 100644
--- a/packages/backend/test-federation/compose.yml
+++ b/packages/backend/test-federation/compose.yml
@@ -16,7 +16,7 @@ services:
       "
 
   tester:
-    image: node:20
+    image: node:22.14.0
     depends_on:
       a.test:
         condition: service_healthy
@@ -86,7 +86,7 @@ services:
     command: pnpm -F backend test:fed
 
   daemon:
-    image: node:20
+    image: node:22.14.0
     depends_on:
       redis.test:
         condition: service_healthy