diff --git a/CHANGELOG.md b/CHANGELOG.md
index e6895ec..ad226f8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@
 * [CHANGE] Update jsonnet-libs to Fri Jul 19 12:51:49 2024 #57
 * [ENHANCEMENT] Configure `-ingester.client.grpc-compression` to be `snappy-block`
 * [ENHANCEMENT] Support Grafana 11 in Cortex Service Scaling Dashboard
+* [ENHANCEMENT] Configure head_chunks_write_queue_size to 1 million to avoid high latency when shipping
 
 ## 1.16.1
 * [CHANGE] Upgrade memcached to 1.6.23-alpine and memcached-exporter to v0.14.2
diff --git a/cortex/ingester.libsonnet b/cortex/ingester.libsonnet
index 11e22f5..baabb72 100644
--- a/cortex/ingester.libsonnet
+++ b/cortex/ingester.libsonnet
@@ -37,6 +37,7 @@
 
       'blocks-storage.tsdb.dir': '/data/tsdb',
       'blocks-storage.tsdb.block-ranges-period': '2h',
+      'blocks-storage.tsdb.head-chunks-write-queue-size': 1e6,
       'blocks-storage.tsdb.retention-period': '96h',  // 4 days protection against blocks not being uploaded from ingesters.
       'blocks-storage.tsdb.ship-interval': '1m',