diff --git a/package.json b/package.json
index e247503..9c978ff 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "main": "index.js",
   "dependencies": {
     "@saltcorn/markup": "^0.5.0",
-    "@saltcorn/data": "^0.5.0"
+    "@saltcorn/data": "^0.8.3"
   },
   "author": "Aleksandr Sokolov",
   "license": "MIT"