diff --git a/charts/loki/Chart.yaml b/charts/loki/Chart.yaml
index efa515b96f..801a8a9a5a 100644
--- a/charts/loki/Chart.yaml
+++ b/charts/loki/Chart.yaml
@@ -4,7 +4,7 @@ description: Helm chart for Grafana Loki supporting monolithic, simple scalable,
 type: application
 # renovate: docker=docker.io/grafana/loki
 appVersion: 3.7.1
-version: 11.4.12
+version: 11.5.0
 kubeVersion: ">=1.25.0-0"
 home: https://grafana-community.github.io/helm-charts
 sources:
diff --git a/charts/loki/templates/_keda.tpl b/charts/loki/templates/_keda.tpl
index bf448bd811..1215f125ea 100644
--- a/charts/loki/templates/_keda.tpl
+++ b/charts/loki/templates/_keda.tpl
@@ -37,7 +37,11 @@ spec:
   minReplicaCount: {{ $component.kedaAutoscaling.minReplicas }}
   maxReplicaCount: {{ $component.kedaAutoscaling.maxReplicas }}
   pollingInterval: {{ coalesce $component.kedaAutoscaling.pollingInterval .Values.defaults.kedaAutoscaling.pollingInterval }}
+  {{- if kindIs "int" $component.kedaAutoscaling.cooldownPeriod }}
   cooldownPeriod: {{ $component.kedaAutoscaling.cooldownPeriod }}
+  {{- else }}
+  cooldownPeriod: {{ .Values.defaults.kedaAutoscaling.cooldownPeriod }}
+  {{- end }}
   {{- with $component.kedaAutoscaling.fallback }}
   fallback:
     {{- toYaml . | nindent 4 }}
diff --git a/charts/loki/values.yaml b/charts/loki/values.yaml
index 84489b2b52..85c1c31cff 100644
--- a/charts/loki/values.yaml
+++ b/charts/loki/values.yaml
@@ -146,6 +146,8 @@ defaults:
     customHeaders: ""
     # -- Interval (seconds) to poll each trigger. Overridable per component.
     pollingInterval: 30
+    # -- Period (seconds) to wait after the last trigger reported active before scaling back to 0. Overridable per component.
+    cooldownPeriod: 300
     # -- KEDA trigger authentication settings. Ref: https://keda.sh/docs/latest/concepts/authentication/
     authentication:
       # -- Enable TriggerAuthentication for KEDA triggers
@@ -1030,8 +1032,9 @@ gateway:
     minReplicas: 1
     # -- Maximum replicas for KEDA autoscaling
     maxReplicas: 3
-    # -- Period to wait after the last trigger reported active before scaling the resource back to 0 (seconds)
-    cooldownPeriod: 300
+    # -- Period to wait after the last trigger reported active before scaling the resource back to 0 (seconds).
+    # Defaults to defaults.kedaAutoscaling.cooldownPeriod if not set.
+    cooldownPeriod: null
     # -- Fallback configuration for KEDA ScaledObject. Applied when the trigger metric cannot be retrieved.
     # Ref: https://keda.sh/docs/latest/reference/scaledobject-spec/#fallback
     fallback: {}
@@ -1455,8 +1458,9 @@ singleBinary:
     minReplicas: 1
     # -- Maximum replicas for KEDA autoscaling
     maxReplicas: 3
-    # -- Period to wait after the last trigger reported active before scaling the resource back to 0 (seconds)
-    cooldownPeriod: 300
+    # -- Period to wait after the last trigger reported active before scaling the resource back to 0 (seconds).
+    # Defaults to defaults.kedaAutoscaling.cooldownPeriod if not set.
+    cooldownPeriod: null
     # -- Fallback configuration for KEDA ScaledObject. Applied when the trigger metric cannot be retrieved.
     # Ref: https://keda.sh/docs/latest/reference/scaledobject-spec/#fallback
     fallback: {}
@@ -1629,8 +1633,9 @@ write:
     minReplicas: 2
     # -- Maximum replicas for KEDA autoscaling
     maxReplicas: 6
-    # -- Period to wait after the last trigger reported active before scaling the resource back to 0 (seconds)
-    cooldownPeriod: 300
+    # -- Period to wait after the last trigger reported active before scaling the resource back to 0 (seconds).
+    # Defaults to defaults.kedaAutoscaling.cooldownPeriod if not set.
+    cooldownPeriod: null
     # -- Fallback configuration for KEDA ScaledObject. Applied when the trigger metric cannot be retrieved.
     # Ref: https://keda.sh/docs/latest/reference/scaledobject-spec/#fallback
     fallback: {}
@@ -1823,8 +1828,9 @@ read:
     minReplicas: 2
     # -- Maximum replicas for KEDA autoscaling
     maxReplicas: 6
-    # -- Period to wait after the last trigger reported active before scaling the resource back to 0 (seconds)
-    cooldownPeriod: 300
+    # -- Period to wait after the last trigger reported active before scaling the resource back to 0 (seconds).
+    # Defaults to defaults.kedaAutoscaling.cooldownPeriod if not set.
+    cooldownPeriod: null
     # -- Fallback configuration for KEDA ScaledObject. Applied when the trigger metric cannot be retrieved.
     # Ref: https://keda.sh/docs/latest/reference/scaledobject-spec/#fallback
     fallback: {}
@@ -1986,8 +1992,9 @@ backend:
     minReplicas: 3
     # -- Maximum replicas for KEDA autoscaling
     maxReplicas: 6
-    # -- Period to wait after the last trigger reported active before scaling the resource back to 0 (seconds)
-    cooldownPeriod: 300
+    # -- Period to wait after the last trigger reported active before scaling the resource back to 0 (seconds).
+    # Defaults to defaults.kedaAutoscaling.cooldownPeriod if not set.
+    cooldownPeriod: null
     # -- Fallback configuration for KEDA ScaledObject. Applied when the trigger metric cannot be retrieved.
     # Ref: https://keda.sh/docs/latest/reference/scaledobject-spec/#fallback
     fallback: {}
@@ -2190,8 +2197,9 @@ ingester:
     minReplicas: 1
     # -- Maximum replicas for KEDA autoscaling
     maxReplicas: 3
-    # -- Period to wait after the last trigger reported active before scaling the resource back to 0 (seconds)
-    cooldownPeriod: 300
+    # -- Period to wait after the last trigger reported active before scaling the resource back to 0 (seconds).
+    # Defaults to defaults.kedaAutoscaling.cooldownPeriod if not set.
+    cooldownPeriod: null
     # -- Fallback configuration for KEDA ScaledObject. Applied when the trigger metric cannot be retrieved.
     # Ref: https://keda.sh/docs/latest/reference/scaledobject-spec/#fallback
     fallback: {}
@@ -2474,8 +2482,9 @@ distributor:
     minReplicas: 1
     # -- Maximum replicas for KEDA autoscaling
     maxReplicas: 3
-    # -- Period to wait after the last trigger reported active before scaling the resource back to 0 (seconds)
-    cooldownPeriod: 300
+    # -- Period to wait after the last trigger reported active before scaling the resource back to 0 (seconds).
+    # Defaults to defaults.kedaAutoscaling.cooldownPeriod if not set.
+    cooldownPeriod: null
     # -- Fallback configuration for KEDA ScaledObject. Applied when the trigger metric cannot be retrieved.
     # Ref: https://keda.sh/docs/latest/reference/scaledobject-spec/#fallback
     fallback: {}
@@ -2647,8 +2656,9 @@ querier:
     minReplicas: 1
     # -- Maximum replicas for KEDA autoscaling
     maxReplicas: 10
-    # -- Period to wait after the last trigger reported active before scaling the resource back to 0 (seconds)
-    cooldownPeriod: 300
+    # -- Period to wait after the last trigger reported active before scaling the resource back to 0 (seconds).
+    # Defaults to defaults.kedaAutoscaling.cooldownPeriod if not set.
+    cooldownPeriod: null
     # -- Fallback configuration for KEDA ScaledObject. Applied when the trigger metric cannot be retrieved.
     # Ref: https://keda.sh/docs/latest/reference/scaledobject-spec/#fallback
     fallback: {}
@@ -2841,8 +2851,9 @@ queryFrontend:
     minReplicas: 1
     # -- Maximum replicas for KEDA autoscaling
     maxReplicas: 3
-    # -- Period to wait after the last trigger reported active before scaling the resource back to 0 (seconds)
-    cooldownPeriod: 300
+    # -- Period to wait after the last trigger reported active before scaling the resource back to 0 (seconds).
+    # Defaults to defaults.kedaAutoscaling.cooldownPeriod if not set.
+    cooldownPeriod: null
     # -- Fallback configuration for KEDA ScaledObject. Applied when the trigger metric cannot be retrieved.
     # Ref: https://keda.sh/docs/latest/reference/scaledobject-spec/#fallback
     fallback: {}
@@ -3749,8 +3760,9 @@ bloomBuilder:
     minReplicas: 1
     # -- Maximum replicas for KEDA autoscaling
     maxReplicas: 3
-    # -- Period to wait after the last trigger reported active before scaling the resource back to 0 (seconds)
-    cooldownPeriod: 300
+    # -- Period to wait after the last trigger reported active before scaling the resource back to 0 (seconds).
+    # Defaults to defaults.kedaAutoscaling.cooldownPeriod if not set.
+    cooldownPeriod: null
     # -- Fallback configuration for KEDA ScaledObject. Applied when the trigger metric cannot be retrieved.
     # Ref: https://keda.sh/docs/latest/reference/scaledobject-spec/#fallback
     fallback: {}