diff --git a/x/auction/keeper/keeper.go b/x/auction/keeper/keeper.go
index 850fa3f0..99a837b5 100644
--- a/x/auction/keeper/keeper.go
+++ b/x/auction/keeper/keeper.go
@@ -26,7 +26,7 @@ import (
 )
 
 // CompletedAuctionDeleteTimeout => Completed auctions are deleted after this timeout (after reveals end time).
-const CompletedAuctionDeleteTimeout = time.Hour * 24
+const CompletedAuctionDeleteTimeout = 365 * 24 * time.Hour // 1 year
 
 type AuctionsIndexes struct {
 	Owner *indexes.Multi[string, string, auctiontypes.Auction]