diff --git a/CHANGELOG.md b/CHANGELOG.md
index b2b859c751..f35d339bfd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 ## master / unreleased
 
-## 1.20.0 in progress
+## 1.20.0 2025-11-10
 
 * [CHANGE] StoreGateway/Alertmanager: Add default 5s connection timeout on client. #6603
 * [CHANGE] Ingester: Remove EnableNativeHistograms config flag and instead gate keep through new per-tenant limit at ingestion. #6718
diff --git a/VERSION b/VERSION
index 586f46b830..3989355915 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.20.0-rc.1
+1.20.0
diff --git a/docs/getting-started/.env b/docs/getting-started/.env
index 546dae1071..4b6b2d5bb3 100644
--- a/docs/getting-started/.env
+++ b/docs/getting-started/.env
@@ -1,4 +1,4 @@
-CORTEX_VERSION=v1.19.1
+CORTEX_VERSION=v1.20.0
 GRAFANA_VERSION=10.4.2
 PROMETHEUS_VERSION=v3.2.1
 SEAWEEDFS_VERSION=3.67