diff --git a/group_vars/stage_devnso/prometheus.yml b/group_vars/stage_devnso/prometheus.yml
index e80eb11..c754079 100644
--- a/group_vars/stage_devnso/prometheus.yml
+++ b/group_vars/stage_devnso/prometheus.yml
@@ -1,2 +1,4 @@
 ---
+prometheus_tsdb_rentention_time: "2w"
+
 prometheus_remote_write_enabled: false