diff --git a/usecases/cron-delivery-migration.md b/usecases/cron-delivery-migration.md
index c91c741..ec03296 100644
--- a/usecases/cron-delivery-migration.md
+++ b/usecases/cron-delivery-migration.md
@@ -1,5 +1,5 @@
 ---
-last_validated: 2026-04-02
+last_validated: 2026-04-20
 validated_by: wangyuyan-agent
 ---
 
diff --git a/usecases/resume-session-id.md b/usecases/resume-session-id.md
index 143fd33..6c502a3 100644
--- a/usecases/resume-session-id.md
+++ b/usecases/resume-session-id.md
@@ -1,5 +1,5 @@
 ---
-last_validated: 2026-04-02
+last_validated: 2026-04-20
 validated_by: wangyuyan-agent
 ---