diff --git a/example/yarn.lock b/example/yarn.lock
index 67441f9..b3026d3 100644
--- a/example/yarn.lock
+++ b/example/yarn.lock
@@ -1989,8 +1989,8 @@ blueimp-md5@^2.10.0:
   resolved "https://registry.yarnpkg.com/blueimp-md5/-/blueimp-md5-2.12.0.tgz#be7367938a889dec3ffbb71138617c117e9c130a"
 
 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"
 
 body-parser@1.18.3:
   version "1.18.3"
@@ -3403,8 +3403,8 @@ electron-to-chromium@^1.3.103, electron-to-chromium@^1.3.247:
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.273.tgz#94872d6823219f2812f2e35a2ce2a7d03c1eaa3f"
 
 elliptic@^6.0.0:
-  version "6.5.1"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.1.tgz#c380f5f909bf1b9b4428d028cd18d3b0efd6b52b"
+  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"