diff --git a/.nvmrc b/.nvmrc
index 209e3ef..2bd5a0a 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-20
+22
diff --git a/package-lock.json b/package-lock.json
index d6e7b93..edff518 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
         "@janejeon/prettier-config": "^2.0.0",
         "@janejeon/tsconfig": "^0.3.1",
         "@types/debug": "^4.1.8",
-        "@types/node": "^20.5.1",
+        "@types/node": "^22.0.0",
         "@vitest/coverage-istanbul": "^1.0.0",
         "@vitest/ui": "^1.0.0",
         "cacheable-lookup": "^7.0.0",
@@ -1361,10 +1361,14 @@
       "dev": true
     },
     "node_modules/@types/node": {
-      "version": "20.5.1",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.5.1.tgz",
-      "integrity": "sha512-4tT2UrL5LBqDwoed9wZ6N3umC4Yhz3W3FloMmiiG4JwmUJWpie0c7lcnUNd4gtMKuDEO4wRVS8B6Xa0uMRsMKg==",
-      "dev": true
+      "version": "22.8.2",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.8.2.tgz",
+      "integrity": "sha512-NzaRNFV+FZkvK/KLCsNdTvID0SThyrs5SHB6tsD/lajr22FGC73N2QeDPM2wHtVde8mgcXuSsHQkH5cX1pbPLw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "undici-types": "~6.19.8"
+      }
     },
     "node_modules/@types/normalize-package-data": {
       "version": "2.4.4",
@@ -5814,6 +5818,13 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/undici-types": {
+      "version": "6.19.8",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.19.8.tgz",
+      "integrity": "sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/update-browserslist-db": {
       "version": "1.0.11",
       "resolved": "https://registry.npmjs.org/update-browserslist-db/-/update-browserslist-db-1.0.11.tgz",
diff --git a/package.json b/package.json
index b9ad16a..163c84e 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "@janejeon/prettier-config": "^2.0.0",
     "@janejeon/tsconfig": "^0.3.1",
     "@types/debug": "^4.1.8",
-    "@types/node": "^20.5.1",
+    "@types/node": "^22.0.0",
     "@vitest/coverage-istanbul": "^1.0.0",
     "@vitest/ui": "^1.0.0",
     "cacheable-lookup": "^7.0.0",