diff --git a/yarn.lock b/yarn.lock
index fbe964d..723db80 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -345,8 +345,8 @@ express@^4.15.3:
     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"
 
 extsprintf@1.0.2:
   version "1.0.2"