diff --git a/charts/substra-backend/CHANGELOG.md b/charts/substra-backend/CHANGELOG.md
index dd55f996e..bf8287b4f 100644
--- a/charts/substra-backend/CHANGELOG.md
+++ b/charts/substra-backend/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 <!-- towncrier release notes start -->
 
+## [26.8.1] - 2024-07-10
+
+### Added
+
+- Configure key for `redis.auth.existingSecret`
+
 ## [26.8.0] - 2024-07-10
 
 ### Added
diff --git a/charts/substra-backend/Chart.yaml b/charts/substra-backend/Chart.yaml
index 1fa84bc68..b92c97717 100644
--- a/charts/substra-backend/Chart.yaml
+++ b/charts/substra-backend/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v2
 name: substra-backend
 home: https://github.com/Substra
-version: 26.8.0
+version: 26.8.1
 appVersion: 0.47.0
 kubeVersion: ">= 1.19.0-0"
 description: Main package for Substra