diff --git a/production/helm/loki-stack/Chart.yaml b/production/helm/loki-stack/Chart.yaml
index 20802571051e0..86789f10a620d 100644
--- a/production/helm/loki-stack/Chart.yaml
+++ b/production/helm/loki-stack/Chart.yaml
@@ -1,5 +1,5 @@
 name: loki-stack
-version: 0.7.1
+version: 0.7.2
 appVersion: 0.0.1
 kubeVersion: "^1.10.0-0"
 description: "Loki: like Prometheus, but for logs."
diff --git a/production/helm/loki/Chart.yaml b/production/helm/loki/Chart.yaml
index 842628d995fe5..7c7753f7f5e70 100644
--- a/production/helm/loki/Chart.yaml
+++ b/production/helm/loki/Chart.yaml
@@ -1,5 +1,5 @@
 name: loki
-version: 0.7.1
+version: 0.7.2
 appVersion: 0.0.1
 kubeVersion: "^1.10.0-0"
 description: "Loki: like Prometheus, but for logs."
diff --git a/production/helm/loki/values.yaml b/production/helm/loki/values.yaml
index 560a374062f7d..32ed62c55a440 100644
--- a/production/helm/loki/values.yaml
+++ b/production/helm/loki/values.yaml
@@ -23,6 +23,7 @@ config:
 
   ingester:
     chunk_idle_period: 15m
+    chunk_block_size: 262144
     lifecycler:
       ring:
         store: inmemory
@@ -63,7 +64,7 @@ image:
   tag: latest
   pullPolicy: Always # Always pull while in BETA
 
-## Additional Loki container arguments, e.g. log level (debug, info, warn, error) 
+## Additional Loki container arguments, e.g. log level (debug, info, warn, error)
 extraArgs: {}
   # log.level: debug
 
diff --git a/production/ksonnet/loki/config.libsonnet b/production/ksonnet/loki/config.libsonnet
index 80eb6328009d1..71552b54e8d5b 100644
--- a/production/ksonnet/loki/config.libsonnet
+++ b/production/ksonnet/loki/config.libsonnet
@@ -35,6 +35,7 @@
 
       ingester: {
         chunk_idle_period: '15m',
+        chunk_block_size: 262144,
 
         lifecycler: {
           ring: {