diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index c4027644..6228874d 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -29,7 +29,7 @@ jobs:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       - uses: actions/setup-node@v6
         with:
-          node-version: 18
+          node-version: 24
       - run: npm ci
       - run: npm run system-test
   system_test:
@@ -38,7 +38,7 @@ jobs:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       - uses: actions/setup-node@v6
         with:
-          node-version: 18
+          node-version: 24
       - run: npm ci
       - run: npm run system-test
   lint:
@@ -47,7 +47,7 @@ jobs:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       - uses: actions/setup-node@v6
         with:
-          node-version: 18
+          node-version: 24
       - run: npm ci
       - run: npm run lint
   license_check:
@@ -56,6 +56,6 @@ jobs:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       - uses: actions/setup-node@v6
         with:
-          node-version: 18
+          node-version: 24
       - run: npm ci
       - run: npm run license-check
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 019b90ba..b8b2daa9 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -9,7 +9,7 @@ jobs:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       - uses: actions/setup-node@v6
         with:
-          node-version: 18
+          node-version: 24
           registry-url: 'https://wombat-dressing-room.appspot.com'
       - run: npm ci
       - run: npm publish
diff --git a/package-lock.json b/package-lock.json
index 497068ee..8dc925f5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -38,7 +38,7 @@
         "@types/json5": "2.2.0",
         "@types/mocha": "^10.0.0",
         "@types/ncp": "^2.0.4",
-        "@types/node": "^22.7.5",
+        "@types/node": "^24.0.0",
         "@types/sinon": "^21.0.0",
         "@types/tmp": "^0.2.0",
         "@types/write-file-atomic": "^4.0.0",
@@ -663,13 +663,13 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "22.19.1",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.19.1.tgz",
-      "integrity": "sha512-LCCV0HdSZZZb34qifBsyWlUmok6W7ouER+oQIGBScS8EsZsQbrtFTUrDX4hOl+CS6p7cnNC4td+qrSVGSCTUfQ==",
+      "version": "24.10.4",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.10.4.tgz",
+      "integrity": "sha512-vnDVpYPMzs4wunl27jHrfmwojOGKya0xyM3sH+UE5iv5uPS6vX7UIoh6m+vQc5LGBq52HBKPIn/zcSZVzeDEZg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.21.0"
+        "undici-types": "~7.16.0"
       }
     },
     "node_modules/@types/normalize-package-data": {
@@ -4273,9 +4273,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "6.21.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
-      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
+      "version": "7.16.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.16.0.tgz",
+      "integrity": "sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/package.json b/package.json
index 7e841e8b..dcfc7767 100644
--- a/package.json
+++ b/package.json
@@ -71,7 +71,7 @@
     "@types/json5": "2.2.0",
     "@types/mocha": "^10.0.0",
     "@types/ncp": "^2.0.4",
-    "@types/node": "^22.7.5",
+    "@types/node": "^24.0.0",
     "@types/sinon": "^21.0.0",
     "@types/tmp": "^0.2.0",
     "@types/write-file-atomic": "^4.0.0",