diff --git a/.travis.yml b/.travis.yml
index 8cd842f..8412606 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: javascript
 node_js:
-  - 10.19.0
+  - 10.21.0
 install:
   - npm install terser
   - npm install uglifycss