diff --git a/demo/es6/package.json b/demo/es6/package.json
index 9b34221..29d020d 100644
--- a/demo/es6/package.json
+++ b/demo/es6/package.json
@@ -9,7 +9,7 @@
     "jbox": "*"
   },
   "devDependencies": {
-    "snowpack": "^3.0.11"
+    "snowpack": "^3.0.13"
   },
   "scripts": {
     "start": "snowpack dev"