diff --git a/package-lock.json b/package-lock.json
index 9253b5f..f063414 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1675,6 +1675,11 @@
         }
       }
     },
+    "big-integer": {
+      "version": "1.6.48",
+      "resolved": "https://registry.npmjs.org/big-integer/-/big-integer-1.6.48.tgz",
+      "integrity": "sha512-j51egjPa7/i+RdiRuJbPdJ2FIUYYPhvYLjzoYbcMMm62ooO6F94fETG4MTs46zPAF9Brs04OajboA/qTGuz78w=="
+    },
     "big.js": {
       "version": "5.2.2",
       "resolved": "https://registry.npmjs.org/big.js/-/big.js-5.2.2.tgz",
@@ -7066,6 +7071,7 @@
       "version": "git+https://gitlab.com/nolash/swarm-lowlevel-js.git#483fc008da7a5c283de131c90bd1abcc49c692da",
       "from": "git+https://gitlab.com/nolash/swarm-lowlevel-js.git",
       "requires": {
+        "big-integer": "^1.6.48",
         "keccak": "^2.0.0",
         "mocha": "^7.2.0",
         "secp256k1": "^3.7.1"