diff --git a/examples/reactapp/yarn.lock b/examples/reactapp/yarn.lock
index d08b8e0..7a18f39 100644
--- a/examples/reactapp/yarn.lock
+++ b/examples/reactapp/yarn.lock
@@ -2431,8 +2431,8 @@ express@^4.13.3:
     vary "~1.1.1"
 
 extend@~3.0.0:
-  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"
 
 external-editor@^2.0.4:
   version "2.0.4"