diff --git a/eos-evm-js/examples/erc20/package-lock.json b/eos-evm-js/examples/erc20/package-lock.json
index 522b5a1..561ae74 100644
--- a/eos-evm-js/examples/erc20/package-lock.json
+++ b/eos-evm-js/examples/erc20/package-lock.json
@@ -326,18 +326,41 @@
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     },
     "secp256k1": {
-      "version": "3.8.0",
-      "resolved": "https://registry.npmjs.org/secp256k1/-/secp256k1-3.8.0.tgz",
-      "integrity": "sha512-k5ke5avRZbtl9Tqx/SA7CbY3NF6Ro+Sj9cZxezFzuBlLDmyqPiL8hJJ+EmzD8Ig4LUDByHJ3/iPOVoRixs/hmw==",
+      "version": "3.8.1",
+      "resolved": "https://registry.npmjs.org/secp256k1/-/secp256k1-3.8.1.tgz",
+      "integrity": "sha512-tArjQw2P0RTdY7QmkNehgp6TVvQXq6ulIhxv8gaH6YubKG/wxxAoNKcbuXjDhybbc+b2Ihc7e0xxiGN744UIiQ==",
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         "bip66": "^1.1.5",
         "bn.js": "^4.11.8",
         "create-hash": "^1.2.0",
         "drbg.js": "^1.0.1",
-        "elliptic": "^6.5.2",
+        "elliptic": "^6.5.7",
         "nan": "^2.14.0",
         "safe-buffer": "^5.1.2"
+      },
+      "dependencies": {
+        "elliptic": {
+          "version": "6.5.7",
+          "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.7.tgz",
+          "integrity": "sha512-ESVCtTwiA+XhY3wyh24QqRGBoP3rEdDUl3EDUUo9tft074fi19IrdpH7hLCMMP3CIj7jb3W96rn8lt/BqIlt5Q==",
+          "requires": {
+            "bn.js": "^4.11.9",
+            "brorand": "^1.1.0",
+            "hash.js": "^1.0.0",
+            "hmac-drbg": "^1.0.1",
+            "inherits": "^2.0.4",
+            "minimalistic-assert": "^1.0.1",
+            "minimalistic-crypto-utils": "^1.0.1"
+          },
+          "dependencies": {
+            "bn.js": {
+              "version": "4.12.0",
+              "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
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+            }
+          }
+        }
       }
     },
     "sha.js": {