diff --git a/.travis.yml b/.travis.yml
index 23dc1e37..3295ebcd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,6 +18,12 @@ matrix:
       sudo: false
       language: node_js
       node_js: "10"
+    - name: "Linux (glibc) - Node 12"
+      os: linux
+      dist: trusty
+      sudo: false
+      language: node_js
+      node_js: "12"
       after_success:
         - npm install coveralls
         - cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js
@@ -57,6 +63,16 @@ matrix:
         - sudo docker exec sharp apk add build-base git python2 --update-cache
       install: sudo docker exec sharp sh -c "npm install --unsafe-perm"
       script: sudo docker exec sharp sh -c "npm test"
+    - name: "Linux (musl) - Node 12"
+      os: linux
+      dist: trusty
+      sudo: true
+      language: minimal
+      before_install:
+        - sudo docker run -dit --name sharp --env CI --env PREBUILD_TOKEN --volume "${PWD}:/mnt/sharp" --workdir /mnt/sharp node:12.0-alpine
+        - sudo docker exec sharp apk add build-base git python2 --update-cache
+      install: sudo docker exec sharp sh -c "npm install --unsafe-perm"
+      script: sudo docker exec sharp sh -c "npm test"
     - name: "OS X - Node 6"
       os: osx
       osx_image: xcode9.2
@@ -77,3 +93,8 @@ matrix:
       osx_image: xcode9.2
       language: node_js
       node_js: "11"
+    - name: "OS X - Node 12"
+      os: osx
+      osx_image: xcode9.2
+      language: node_js
+      node_js: "12"
diff --git a/appveyor.yml b/appveyor.yml
index 20bcb731..f05d7c4e 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -8,9 +8,10 @@ environment:
   - nodejs_version: "8"
   - nodejs_version: "10"
   - nodejs_version: "11"
+  - nodejs_version: "12"
 install:
   - ps: Install-Product node $env:nodejs_version x64
-  - npm install -g npm@5
+  - npm install -g npm@6
   - npm install
 test_script:
   - npm test