diff --git a/package.json b/package.json
index 5ca4c55..d50b696 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "type": "module",
     "dependencies": {
         "@assemblyscript/loader": "^0.28.3",
-        "@btc-vision/as-bignum": "^0.0.5",
+        "@btc-vision/as-bignum": "^0.1.2",
         "@btc-vision/btc-runtime": "^1.8.1",
         "@btc-vision/opnet-transform": "^0.1.8",
         "@eslint/js": "^9.31.0",