diff --git a/.idea/.gitignore b/.idea/.gitignore
index 6fb19b7..c21e354 100644
--- a/.idea/.gitignore
+++ b/.idea/.gitignore
@@ -9,3 +9,5 @@
 /inspectionProfiles
 # We use CMakePresets.json. Don't check in cmake profiles.
 /cmake.xml
+# Copilot
+copilot.*