diff --git a/.travis.yml b/.travis.yml
index 887299b..52da97f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,6 +20,12 @@ jobs:
       before_install:
         - curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version "$YARN_VERSION"
         - export PATH="$HOME/.yarn/bin:$PATH"
+    - env: task=npm-test
+      node_js:
+        - 10
+      before_install:
+        - curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version "$YARN_VERSION"
+        - export PATH="$HOME/.yarn/bin:$PATH"
     - env: task=ShellCheck
       script:
         - shellcheck bin/heroku bin/setup
diff --git a/package.json b/package.json
index 2cc9415..6432986 100644
--- a/package.json
+++ b/package.json
@@ -135,7 +135,7 @@
     "xss": "^1.0.3"
   },
   "engines": {
-    "node": ">=6.x <10.x"
+    "node": ">=6.x"
   },
   "bugs": "https://github.com/hackmdio/codimd/issues",
   "keywords": [