diff --git a/example/yarn.lock b/example/yarn.lock
index d43e117..1216045 100644
--- a/example/yarn.lock
+++ b/example/yarn.lock
@@ -995,8 +995,8 @@ bindings@^1.5.0:
     file-uri-to-path "1.0.0"
 
 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"
+  version "4.11.9"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.9.tgz#26d556829458f9d1e81fc48952493d0ba3507828"
 
 boolbase@^1.0.0, boolbase@~1.0.0:
   version "1.0.0"
@@ -1758,8 +1758,8 @@ electron-to-chromium@^1.3.390:
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.398.tgz#4c01e29091bf39e578ac3f66c1f157d92fa5725d"
 
 elliptic@^6.0.0:
-  version "6.5.2"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.2.tgz#05c5678d7173c049d8ca433552224a495d0e3762"
+  version "6.5.3"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.3.tgz#cb59eb2efdaf73a0bd78ccd7015a62ad6e0f93d6"
   dependencies:
     bn.js "^4.4.0"
     brorand "^1.0.1"