diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0d19ecd63..dd0c92de1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: '14'
+          node-version: '18'
       - run: node --version
       - run: npm ci
       - run: npm run build
diff --git a/.github/workflows/update-dataset-listings.yml b/.github/workflows/update-dataset-listings.yml
index 40067fd1c..54403c612 100644
--- a/.github/workflows/update-dataset-listings.yml
+++ b/.github/workflows/update-dataset-listings.yml
@@ -15,7 +15,7 @@ jobs:
     - uses: actions/checkout@v3
     - uses: actions/setup-node@v3
       with:
-        node-version: '14'
+        node-version: '18'
     - run: npm ci
     - uses: nextstrain/.github/actions/setup-nextstrain-cli@master
     # configure AWS necessary for `collect-datasets.js` and `nextstrain remote upload`
diff --git a/.github/workflows/update-search.yml b/.github/workflows/update-search.yml
index 091bfe88a..000c829f2 100644
--- a/.github/workflows/update-search.yml
+++ b/.github/workflows/update-search.yml
@@ -21,7 +21,7 @@ jobs:
     - uses: actions/checkout@v3
     - uses: actions/setup-node@v3
       with:
-        node-version: '14'
+        node-version: '18'
     - run: npm ci
     - uses: nextstrain/.github/actions/setup-nextstrain-cli@master
     # configure AWS necessary for `collect-search-results.js` and `nextstrain remote upload`
diff --git a/package.json b/package.json
index d364e93cc..d8bd81111 100644
--- a/package.json
+++ b/package.json
@@ -8,8 +8,8 @@
   "repository": "github:nextstrain/nextstrain.org",
   "homepage": "https://nextstrain.org",
   "engines": {
-    "node": "^14",
-    "npm": "^6.14"
+    "node": "^18",
+    "npm": "^8.6.0"
   },
   "scripts": {
     "build": "./build.sh",
diff --git a/static-site/package.json b/static-site/package.json
index e72e82543..e39137682 100644
--- a/static-site/package.json
+++ b/static-site/package.json
@@ -11,8 +11,8 @@
   "license": "MIT",
   "main": "n/a",
   "engines": {
-    "node": "^14",
-    "npm": "^6.14"
+    "node": "^18",
+    "npm": "^8.6.0"
   },
   "scripts": {
     "develop": "gatsby develop",