diff --git a/.gitignore b/.gitignore
index 15fb92c59..6bcf1cd35 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,7 @@
 .Rhistory
 .Rdata
 data
+# tangled files
+test-tangle.sh
+test-tangle-none.rb
+test-tangle-special.rb