diff --git a/ace/tool/package-lock.json b/ace/tool/package-lock.json
index 039cb5f3..cf8879fa 100644
--- a/ace/tool/package-lock.json
+++ b/ace/tool/package-lock.json
@@ -575,9 +575,9 @@
       "integrity": "sha1-CQcQG92iD6w8vjNMJ8vQaI3Jmls="
     },
     "elliptic": {
-      "version": "6.4.0",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.4.0.tgz",
-      "integrity": "sha1-ysmvh2LIWDYYcAPI3+GT5eLq5d8=",
+      "version": "6.5.3",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.3.tgz",
+      "integrity": "sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==",
       "requires": {
         "bn.js": "^4.4.0",
         "brorand": "^1.0.1",