diff --git a/services/monitoring/victoriametrics.nix b/services/monitoring/victoriametrics.nix
index 6e377d5..937705a 100644
--- a/services/monitoring/victoriametrics.nix
+++ b/services/monitoring/victoriametrics.nix
@@ -10,7 +10,7 @@
 {
   services.victoriametrics = {
     enable = true;
-    retentionPeriod = "30d";
+    retentionPeriod = "15d";
     listenAddress = ":8428";
 
     prometheusConfig = {