diff --git a/.gitignore b/.gitignore
index f01b38a..f4417f8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,6 +41,7 @@ _testmain.go
 
 # Elm UI
 # elm-package generated files
+/ui/index.html
 /ui/elm-stuff
 /ui/tests/elm-stuff
 # elm-repl generated files