diff --git a/.idea/.gitignore b/.idea/.gitignore
index b58b603f..452b2e92 100644
--- a/.idea/.gitignore
+++ b/.idea/.gitignore
@@ -3,3 +3,6 @@
 /workspace.xml
 # Editor-based HTTP Client requests
 /httpRequests/
+# GitHub Copilot persisted chat sessions
+/copilot/chatSessions
+/AIAssistantCustomInstructionsStorage.xml