diff --git a/.gitignore b/.gitignore
index 2f1c6eeca..8196e3368 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,7 @@ performance/index.html
 src/junk.rs
 **/*.rs.bk
 /target
+
+# insta: unreviewed inline data, and separate snapshot files
+*.pending-snap
+**/snapshots/*.snap.new