diff --git a/.gitignore b/.gitignore
index e6f30d3..51c75a5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 *.zip
 .*.swp
 __pycache__
+cscope.out
 docs/build
 attic/
 wasp/boards/pinetime/watch.py