diff --git a/utils/dartdoc/.gitignore b/utils/dartdoc/.gitignore
new file mode 100644
index 00000000000..ce5803f47d9
--- /dev/null
+++ b/utils/dartdoc/.gitignore
@@ -0,0 +1,2 @@
+/dartdoc.Makefile
+/dartdoc.target.mk