diff --git a/spire/templates/apps/castle.yml b/spire/templates/apps/castle.yml
index c0bcd8410..1b71680ed 100644
--- a/spire/templates/apps/castle.yml
+++ b/spire/templates/apps/castle.yml
@@ -413,7 +413,7 @@ Resources:
     DeletionPolicy: Retain
     UpdateReplacePolicy: Retain
     Properties:
-      AllocatedStorage: !If [IsProduction, "300", "100"]
+      AllocatedStorage: !If [IsProduction, "400", "100"]
       AllowMajorVersionUpgrade: false
       AutoMinorVersionUpgrade: false
       BackupRetentionPeriod: 7