diff --git a/.travis.yml b/.travis.yml
index cbfebefd2..968ece7d4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ node_js:
   - "4"
   - "6"
   - "8"
+  - "9"
 git:
   depth: 1
 notifications:
diff --git a/package.json b/package.json
index 2997add75..fcb9eed17 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "superagent": "0.15.4"
   },
   "optionalDependencies": {
-    "uws": "~0.14.4"
+    "uws": "~9.14.0"
   },
   "scripts": {
     "lint": "eslint lib/ test/ *.js",