diff --git a/proj2/code/yarn.lock b/proj2/code/yarn.lock
old mode 100755
new mode 100644
index 4a06001..df2e19e
--- a/proj2/code/yarn.lock
+++ b/proj2/code/yarn.lock
@@ -966,8 +966,8 @@ express@~4.16.0:
     vary "~1.1.2"
 
 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"
 
 extglob@^0.3.1:
   version "0.3.2"