diff --git a/.gitignore b/.gitignore
index df06a006d..06bc60b97 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,3 +26,5 @@ parsetab.py
 .pytest_cache/
 compiler/src/prog8_kotlin.jar
 compiler/src/compiled_java
+.attach_pid*
+