diff --git a/yarn.lock b/yarn.lock
index d92739ac..6b87a9fa 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -244,7 +244,7 @@ block-stream@*:
   dependencies:
     inherits "~2.0.0"
 
-bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.4.0:
+bn.js@^4.0.0, bn.js@^4.1.0:
   version "4.11.6"
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.6.tgz#53344adb14617a13f6e8dd2ce28905d1c0ba3215"
 
@@ -727,18 +727,9 @@ ecc-jsbn@~0.1.1:
   dependencies:
     jsbn "~0.1.0"
 
-elliptic@^6.0.0:
-  version "6.3.2"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.3.2.tgz#e4c81e0829cf0a65ab70e998b8232723b5c1bc48"
-  dependencies:
-    bn.js "^4.4.0"
-    brorand "^1.0.1"
-    hash.js "^1.0.0"
-    inherits "^2.0.1"
-
-elliptic@^6.5.4:
-  version "6.5.4"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.4.tgz#da37cebd31e79a1367e941b592ed1fbebd58abbb"
+elliptic@^6.0.0, elliptic@^6.5.4:
+  version "6.5.5"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.5.tgz#c715e09f78b6923977610d4c2346d6ce22e6dded"
   dependencies:
     bn.js "^4.11.9"
     brorand "^1.1.0"