diff --git a/package-lock.json b/package-lock.json
index e55b0c0..643463a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -36,9 +36,9 @@
       "integrity": "sha1-W+e+hTr4kZjR9N3AkNHWakiu9ZY="
     },
     "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",
diff --git a/package.json b/package.json
index f4bc2c8..bfa5ae6 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "bn.js": "=4.11.8",
     "bs58": "^4.0.1",
     "buffer-compare": "=1.1.1",
-    "elliptic": "=6.4.0",
+    "elliptic": "=6.5.3",
     "inherits": "=2.0.1",
     "lodash": "^4.17.15",
     "scryptsy": "^2.1.0"