diff --git a/.gitignore b/.gitignore
index 9812cbc6c9b6093f8e29c45a2baeb9abbb980a6c..de292c915076115d1d92c05bc4038f4094c683ab 100644
--- a/.gitignore
+++ b/.gitignore
@@ -35,6 +35,7 @@ Thumbs.db
 __pycache__
 .mypy_cache
 *.SYMDEF*
+a.out
 
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