diff --git a/.gitignore b/.gitignore
index 81a01256..abf6df5f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -159,3 +159,6 @@ orleans.codegen.cs
 
 # Ignore AI plugin config files:
 /app/.idea/.idea.MindWork AI Studio/.idea/AugmentWebviewStateStore.xml
+
+# Ignore GitHub Copilot migration files:
+**/copilot.data.migration.*.xml