diff --git a/.node-version b/.node-version
index b8e593f5..7af24b7d 100644
--- a/.node-version
+++ b/.node-version
@@ -1 +1 @@
-20.15.1
+22.11.0
diff --git a/client/.node-version b/client/.node-version
index b8e593f5..7af24b7d 100644
--- a/client/.node-version
+++ b/client/.node-version
@@ -1 +1 @@
-20.15.1
+22.11.0
diff --git a/client/package.json b/client/package.json
index 6627efb1..599b947e 100644
--- a/client/package.json
+++ b/client/package.json
@@ -41,7 +41,7 @@
     "@markuplint/astro-parser": "^4.6.12",
     "@playwright/test": "^1.48.2",
     "@types/escape-html": "^1.0.4",
-    "@types/node": "^22.8.7",
+    "@types/node": "^22.9.0",
     "@types/prismjs": "^1.26.5",
     "eslint-plugin-astro": "^1.3.1",
     "fishery": "^2.2.2",
diff --git a/package-lock.json b/package-lock.json
index 2e75dfdb..343f9733 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
       ],
       "devDependencies": {
         "@kubosho/configs": "^4.0.1",
-        "@types/node": "^22.8.7",
+        "@types/node": "^22.9.0",
         "tsx": "^4.19.2",
         "typescript": "^5.6.3"
       }
@@ -44,7 +44,7 @@
         "@markuplint/astro-parser": "^4.6.12",
         "@playwright/test": "^1.48.2",
         "@types/escape-html": "^1.0.4",
-        "@types/node": "^22.8.7",
+        "@types/node": "^22.9.0",
         "@types/prismjs": "^1.26.5",
         "eslint-plugin-astro": "^1.3.1",
         "fishery": "^2.2.2",
diff --git a/package.json b/package.json
index 6bc0b3c5..dabcd9e3 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
   "dependencies": {},
   "devDependencies": {
     "@kubosho/configs": "^4.0.1",
-    "@types/node": "^22.8.7",
+    "@types/node": "^22.9.0",
     "tsx": "^4.19.2",
     "typescript": "^5.6.3"
   },