diff --git a/CHANGELOG.md b/CHANGELOG.md
index f34d52e4..33f9597e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## master / unreleased
 
+## 1.4.0 / 2020-10-02
+
 * [CHANGE] Lower the default overrides configs for ingestion and create a new overrides user out of the previous config #183
 * [CHANGE] The project is now licensed with Apache-2.0 license. #169
 * [CHANGE] Add overrides config to tsdb store-gateway. #167
diff --git a/cortex/images.libsonnet b/cortex/images.libsonnet
index 14bc4781..8bd8e0fa 100644
--- a/cortex/images.libsonnet
+++ b/cortex/images.libsonnet
@@ -5,7 +5,7 @@
     memcachedExporter: 'prom/memcached-exporter:v0.6.0',
 
     // Our services.
-    cortex: 'cortexproject/cortex:v1.3.0',
+    cortex: 'cortexproject/cortex:v1.4.0',
 
     alertmanager: self.cortex,
     distributor: self.cortex,