diff --git a/internal/caches/list_file.go b/internal/caches/list_file.go
index aef579a..c7f3404 100644
--- a/internal/caches/list_file.go
+++ b/internal/caches/list_file.go
@@ -566,7 +566,7 @@ func (this *FileList) UpgradeV3(oldDir string, brokenOnError bool) error {
 }
 
 func (this *FileList) maxExpiresAtForMemoryCache(expiresAt int64) int64 {
-	var maxTimestamp = fasttime.Now().Unix() + 7200
+	var maxTimestamp = fasttime.Now().Unix() + 3600
 	if expiresAt > maxTimestamp {
 		return maxTimestamp
 	}