diff --git a/tron-ledger-bridge/yarn.lock b/tron-ledger-bridge/yarn.lock
index 9aeeca9..9b6862c 100644
--- a/tron-ledger-bridge/yarn.lock
+++ b/tron-ledger-bridge/yarn.lock
@@ -1687,6 +1687,11 @@ big.js@^5.2.2:
   resolved "https://registry.yarnpkg.com/big.js/-/big.js-5.2.2.tgz#65f0af382f578bcdc742bd9c281e9cb2d7768328"
   integrity sha512-vyL2OymJxmarO8gxMr0mhChsO9QGwhynfuu4+MHTAW6czfq9humCB7rKpUjDd9YUiDPU4mzpyupFSvOClAwbmQ==
 
+bignumber.js@^9.0.0:
+  version "9.0.0"
+  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-9.0.0.tgz#805880f84a329b5eac6e7cb6f8274b6d82bdf075"
+  integrity sha512-t/OYhhJ2SD+YGBQcjY8GzzDHEk9f3nerxjtfa6tlMXfe7frs/WozhvCNoGvpM0P3bNf3Gq5ZRMlGr5f3r4/N8A==
+
 binary-extensions@^1.0.0:
   version "1.13.1"
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.13.1.tgz#598afe54755b2868a5330d2aff9d4ebb53209b65"
@@ -1698,9 +1703,9 @@ bluebird@^3.5.5:
   integrity sha512-5am6HnnfN+urzt4yfg7IgTbotDjIT/u8AJpEt0sIU9FtXfVeezXAPKswrG+xKUCOYAINpSdgZVDU6QFh+cuH3w==
 
 bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.4.0:
-  version "4.11.8"
-  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
-  integrity sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==
+  version "4.11.9"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.9.tgz#26d556829458f9d1e81fc48952493d0ba3507828"
+  integrity sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw==
 
 brace-expansion@^1.1.7:
   version "1.1.11"
@@ -2418,9 +2423,9 @@ electron-to-chromium@^1.3.164, electron-to-chromium@^1.3.47:
   integrity sha512-tEQcughYIMj8WDMc59EGEtNxdGgwal/oLLTDw+NEqJRJwGflQvH3aiyiexrWeZOETP4/ko78PVr6gwNhdozvuQ==
 
 elliptic@^6.0.0, elliptic@^6.4.0:
-  version "6.5.0"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.0.tgz#2b8ed4c891b7de3200e14412a5b8248c7af505ca"
-  integrity sha512-eFOJTMyCYb7xtE/caJ6JJu+bhi67WCYNbkGSknu20pmM8Ke/bqOfdnZWxyoGN26JgfxTbXrsCkEw4KheCT/KGg==
+  version "6.5.3"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.3.tgz#cb59eb2efdaf73a0bd78ccd7015a62ad6e0f93d6"
+  integrity sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==
   dependencies:
     bn.js "^4.4.0"
     brorand "^1.0.1"