diff --git a/packages/prisma/migrations/20250926134500_update_watchlist_action_block_for_critical_severity/migration.sql b/packages/prisma/migrations/20250926134500_update_watchlist_action_block_for_critical_severity/migration.sql
new file mode 100644
index 0000000000..a28d9edc4b
--- /dev/null
+++ b/packages/prisma/migrations/20250926134500_update_watchlist_action_block_for_critical_severity/migration.sql
@@ -0,0 +1,4 @@
+-- Update Watchlist.action = BLOCK where severity = CRITICAL
+UPDATE "Watchlist"
+SET "action" = 'BLOCK'
+WHERE "severity" = 'CRITICAL';