diff --git a/yarn.lock b/yarn.lock
old mode 100755
new mode 100644
index 0b023a6..d527518
--- a/yarn.lock
+++ b/yarn.lock
@@ -393,8 +393,8 @@ exit@~0.1.1:
   resolved "https://registry.yarnpkg.com/exit/-/exit-0.1.2.tgz#0632638f8d877cc82107d30a0fff1a17cba1cd0c"
 
 extend@~3.0.0, 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"
 
 extsprintf@1.3.0:
   version "1.3.0"