diff --git a/package.json b/package.json
index d3859f2e..b7ad5da5 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "web3": ">=1.3.5"
   },
   "dependencies": {
-    "@oceanprotocol/contracts": "^1.0.0-alpha.18",
+    "@oceanprotocol/contracts": "1.0.0-alpha.18",
     "bignumber.js": "^9.0.2",
     "cross-fetch": "^3.1.4",
     "crypto-js": "^4.0.0",