diff --git a/.idea/.gitignore b/.idea/.gitignore
index 13566b8..a9d7db9 100644
--- a/.idea/.gitignore
+++ b/.idea/.gitignore
@@ -6,3 +6,5 @@
 # Datasource local storage ignored files
 /dataSources/
 /dataSources.local.xml
+# GitHub Copilot persisted chat sessions
+/copilot/chatSessions