diff --git a/production/helm/loki-stack/Chart.yaml b/production/helm/loki-stack/Chart.yaml
index cddb37ec32..b44eca7e80 100644
--- a/production/helm/loki-stack/Chart.yaml
+++ b/production/helm/loki-stack/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: "v1"
 name: loki-stack
-version: 0.34.2
-appVersion: v1.4.1
+version: 0.35.0
+appVersion: v1.4.2
 kubeVersion: "^1.10.0-0"
 description: "Loki: like Prometheus, but for logs."
 home: https://grafana.com/loki
diff --git a/production/helm/loki/Chart.yaml b/production/helm/loki/Chart.yaml
index 6d2df2a6cb..bde167ea42 100644
--- a/production/helm/loki/Chart.yaml
+++ b/production/helm/loki/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: "v1"
 name: loki
-version: 0.26.1
-appVersion: v1.4.1
+version: 0.27.0
+appVersion: v1.4.2
 kubeVersion: "^1.10.0-0"
 description: "Loki: like Prometheus, but for logs."
 home: https://grafana.com/loki
diff --git a/production/helm/loki/values.yaml b/production/helm/loki/values.yaml
index b530729a67..4c87c1e467 100644
--- a/production/helm/loki/values.yaml
+++ b/production/helm/loki/values.yaml
@@ -1,6 +1,6 @@
 image:
   repository: grafana/loki
-  tag: 1.4.1
+  tag: keepalive-master-6d5408c
   pullPolicy: IfNotPresent
 
   ## Optionally specify an array of imagePullSecrets.
diff --git a/production/helm/promtail/Chart.yaml b/production/helm/promtail/Chart.yaml
index ba912967d3..5df38e18f1 100644
--- a/production/helm/promtail/Chart.yaml
+++ b/production/helm/promtail/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: "v1"
 name: promtail
-version: 0.20.1
-appVersion: v1.4.1
+version: 0.21.0
+appVersion: v1.4.2
 kubeVersion: "^1.10.0-0"
 description: "Responsible for gathering logs and sending them to Loki"
 home: https://grafana.com/loki
diff --git a/production/helm/promtail/values.yaml b/production/helm/promtail/values.yaml
index ba4711fd1a..d4c3a6c694 100644
--- a/production/helm/promtail/values.yaml
+++ b/production/helm/promtail/values.yaml
@@ -17,7 +17,7 @@ initContainer:
 
 image:
   repository: grafana/promtail
-  tag: 1.4.1
+  tag: keepalive-master-6d5408c
   pullPolicy: IfNotPresent
 
 livenessProbe: {}