diff --git a/.gitignore b/.gitignore
index 29918f5d8..576659c3f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,6 +16,10 @@ yarn-error.log*
 .idea
 .DS_Store
 
+# Custom build files
+/custom/*
+!/custom/.gitkeep
+
 # surge.sh
 CNAME
 AUTH
diff --git a/custom/.gitkeep b/custom/.gitkeep
new file mode 100644
index 000000000..e69de29bb