diff --git a/services/monitoring/lgtm/mimir.nix b/services/monitoring/lgtm/mimir.nix
index bf2d09e..764503b 100644
--- a/services/monitoring/lgtm/mimir.nix
+++ b/services/monitoring/lgtm/mimir.nix
@@ -50,7 +50,10 @@ in
         ingester.ring.replication_factor = 1;
 
         distributor.instance_limits.max_ingestion_rate = 0; # unlimited
-        limits.ingestion_rate = 1000000; # can't set to unlimited :(
+        limits = {
+          ingestion_rate = 1000000; # can't set to unlimited :(
+          out_of_order_time_window = "12h";
+        };
 
         blocks_storage.backend = "s3";
         ruler_storage = {