diff --git a/package.json b/package.json
index f2e0354..2fd0e4f 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
   },
   "dependencies": {
     "@oceanprotocol/contracts": "^2.0.4",
-    "@oceanprotocol/lib": "^3.4.1",
+    "@oceanprotocol/lib": "^v4.0.0-next.0",
     "cross-fetch": "^3.1.5",
     "crypto-js": "^4.1.1",
     "decimal.js": "^10.4.1",