diff --git a/.travis.yml b/.travis.yml
index 106d608f6..ea3486f54 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,15 +2,16 @@ language: node_js
 sudo: false
 dist: bionic
 node_js:
-- '10'
 - '12'
+- '14'
+- '16'
 install:
 - npm install
 - pip install --user awscli
 script:
 - npm run build
 after_success:
-- if [[ "$TRAVIS_PULL_REQUEST" == "false" && "$TRAVIS_BRANCH" == "release" ]]; then
+- if [[ "$TRAVIS_PULL_REQUEST" == "false" && "$TRAVIS_BRANCH" == "release" && "$TRAVIS_NODE_VERSION" == "14" ]]; then
     npm run rebuild-docker-image;
     npm config set //registry.npmjs.org/:_authToken="$NPM_TOKEN";
     npm publish;
diff --git a/package.json b/package.json
index 678f3d104..a0b3192f1 100644
--- a/package.json
+++ b/package.json
@@ -7,8 +7,8 @@
   "repository": "github:nextstrain/auspice",
   "homepage": "https://www.npmjs.com/package/auspice",
   "engines": {
-    "node": ">=10.8.0 <=13.14",
-    "npm": ">=6.2"
+    "node": ">=12 <=16",
+    "npm": ">=6.9"
   },
   "bin": {
     "auspice": "./auspice.js"