diff --git a/.dockerignore b/.dockerignore
index 9a6668ae..0cdd7662 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -50,3 +50,4 @@ apps/web/.env*
 
 # memory/ADR（不影響 build）
 memory
+# 2026-05-02 trigger CI rebuild after runner restart