diff --git a/books/fullstack_react/time_tracking_app/package-lock.json b/books/fullstack_react/time_tracking_app/package-lock.json
old mode 100755
new mode 100644
index 298dc0e..3deb49d
--- a/books/fullstack_react/time_tracking_app/package-lock.json
+++ b/books/fullstack_react/time_tracking_app/package-lock.json
@@ -1086,7 +1086,8 @@
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