diff --git a/.gitignore b/.gitignore
index 1ea099f7..32660856 100644
--- a/.gitignore
+++ b/.gitignore
@@ -68,6 +68,10 @@ typings/
 # Yarn Integrity file
 .yarn-integrity
 
+# Bun lockfile
+bun.lockb
+bun.lock
+
 # dotenv environment variables file
 .env
 .env.test
@@ -110,3 +114,7 @@ dist
 *.save
 *.save.*
 temp/
+
+# Runtime generated files
+addon/data/*
+!addon/data/id-mapping-corrections.json