diff --git a/package.json b/package.json
index 5314b79..1a5bc2a 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "main": "index.js",
   "devDependencies": {
     "npm-run-all": "4.1.5",
-    "yarn": "1.21.1"
+    "yarn": "1.22.0"
   },
   "repository": "git@github.com:usaturn/sphinx-handson.git",
   "author": "usaturn <kane@berserga.com>",