diff --git a/.gitignore b/.gitignore
index b5fea66ba..2ab1cda30 100644
--- a/.gitignore
+++ b/.gitignore
@@ -95,3 +95,6 @@ rustc-ice-*
 
 # complement test logs are huge
 tests/test_results/complement/test_logs.jsonl
+
+# cargo profiles from -Z self-profile
+*.mm_profdata