diff --git a/package.json b/package.json
index 893bc57..f8b798d 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "@types/node-fetch": "^2.5.4",
     "cbor": "^5.0.1",
     "debug": "^4.1.1",
-    "elliptic": "^6.5.2",
+    "elliptic": "^6.5.3",
     "eosjs": "^21.0.1-rc2",
     "express": "^4.17.1",
     "node-fetch": "^2.6.0",
diff --git a/yarn.lock b/yarn.lock
index 9465ee0..3fbfe54 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -473,7 +473,7 @@ ee-first@1.1.1:
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
   integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
 
-elliptic@6.5.2, elliptic@^6.5.2:
+elliptic@6.5.2:
   version "6.5.2"
   resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.2.tgz#05c5678d7173c049d8ca433552224a495d0e3762"
   integrity sha512-f4x70okzZbIQl/NSRLkI/+tteV/9WqL98zx+SQ69KbXxmVrmjwsNUPn/gYJJ0sHvEak24cZgHIPegRePAtA/xw==
@@ -486,6 +486,19 @@ elliptic@6.5.2, elliptic@^6.5.2:
     minimalistic-assert "^1.0.0"
     minimalistic-crypto-utils "^1.0.0"
 
+elliptic@^6.5.3:
+  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"
+    hash.js "^1.0.0"
+    hmac-drbg "^1.0.0"
+    inherits "^2.0.1"
+    minimalistic-assert "^1.0.0"
+    minimalistic-crypto-utils "^1.0.0"
+
 emoji-regex@^7.0.1:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-7.0.3.tgz#933a04052860c85e83c122479c4748a8e4c72156"