diff --git a/example/yarn.lock b/example/yarn.lock
index 9b4346a..42f53a5 100644
--- a/example/yarn.lock
+++ b/example/yarn.lock
@@ -26,8 +26,8 @@ ecdsa-sig-formatter@1.0.10:
     safe-buffer "^5.0.1"
 
 extend@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.2.tgz#f8b1136b4071fbd8eb140aff858b1019ec2915fa"
 
 follow-redirects@^1.3.0:
   version "1.5.0"