diff --git a/.gitignore b/.gitignore
index 9b2b4db4..3b5cb5b3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,8 @@
 *.o
 *.so
 *~
+.cache
+compile_commands.json
 /mold
 /test/tmp
 options.inc