diff --git a/.gitignore b/.gitignore
index bbd838a79ffa1fb98996a873a1da6aaf1c1ff5e7..dd4257f992bf0a1de28365a23dbd607627b6c57f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -35,6 +35,7 @@ Thumbs.db
 __pycache__
 .mypy_cache
 *.SYMDEF*
+a.out
 
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