diff --git a/package.json b/package.json
index 9c9bfe7..0b71ce4 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,8 @@
   "dependencies": {
     "anser": "^1.4.8",
     "escape-carriage": "^1.3.0",
-    "rollup-plugin-less": "^1.1.2"
+    "rollup-plugin-less": "^1.1.2",
+    "travis-deploy-once": "^5.0.11"
   },
   "peerDependencies": {
     "prop-types": "^15.5.4",