diff --git a/package.json b/package.json
index e5b6f22..526f6d5 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,7 @@
     "sinon": "^9.0.0",
     "stylelint": "^13.0.0",
     "stylelint-config-standard": "^20.0.0",
-    "syn": "^0.14.1",
+    "syn": "^0.15.0",
     "xo": "^0.23.0"
   },
   "dependencies": {