diff --git a/package.json b/package.json
index e6cc8a3..1a95c45 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,6 @@
 {
   "engines": {
-    "node": "10.4.0",
-    "yarn": "1.10.1"
+    "node": "10.4.0"
   },
   "dependencies": {
     "@rails/webpacker": "3.5",