diff --git a/platform/monitoring/loki.yaml b/platform/monitoring/loki.yaml
index eb44d99..3b00555 100644
--- a/platform/monitoring/loki.yaml
+++ b/platform/monitoring/loki.yaml
@@ -18,7 +18,8 @@ spec:
   chart:
     spec:
       chart: loki
-      version: ">=6.0.0 <7.0.0"   # TODO(WS-OBS): pin at bring-up; Renovate maintains
+      version: ">=7.0.0 <8.0.0"   # chart 7.x (Loki 3.6.x); Renovate maintains. Verified: chart 7 renders identically
+                                   # for this SingleBinary/filesystem config (one `loki` StatefulSet, no extra pods).
       sourceRef:
         kind: HelmRepository
         name: grafana