diff --git a/etc/ignore b/etc/ignore
index fdac7ab..7b0a34c 100644
--- a/etc/ignore
+++ b/etc/ignore
@@ -1,5 +1,6 @@
 .git/
 .direnv/
+.jj/
 
 # These are gitignore'd by default, but I edit and search them often.
 !.env