diff --git a/package.json b/package.json
index b6b7bb2..a1b4603 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
         "typescript": "^5.9.3"
     },
     "devDependencies": {
-        "@btc-vision/as-bignum": "^0.0.7",
+        "@btc-vision/as-bignum": "^0.1.2",
         "@btc-vision/btc-runtime": "1.10.12",
         "@btc-vision/opnet-transform": "^0.2.1",
         "@eslint/js": "^9.39.1",