diff --git a/.gitignore b/.gitignore
index b37acffab..f31f15916 100644
--- a/.gitignore
+++ b/.gitignore
@@ -33,6 +33,8 @@ node_modules
 _book
 
 # Only apps should have lockfiles
+npm-shrinkwrap.json
 package-lock.json
+yarn.lock
 
 packages/*/build/