diff --git a/charts/observability/Chart.yaml b/charts/observability/Chart.yaml
index a26bcec..7d9e417 100644
--- a/charts/observability/Chart.yaml
+++ b/charts/observability/Chart.yaml
@@ -6,7 +6,7 @@ icon: https://avatars.githubusercontent.com/u/474424?s=200&v=4
 
 type: application
 
-version: 0.1.6
+version: 0.1.7
 
 appVersion: ""
 dependencies:
diff --git a/charts/observability/values.yaml b/charts/observability/values.yaml
index 47d8598..24c606a 100644
--- a/charts/observability/values.yaml
+++ b/charts/observability/values.yaml
@@ -103,8 +103,9 @@ loki:
       delete_request_store: s3
 
 
-    # chunk_store_config:
-    #   max_look_back_period: 672h
+    chunk_store_config:
+      max_look_back_period: 168h
+    chunk_encoding: snappy
 
   write:
     replicas: 2