diff --git a/CHANGELOG.md b/CHANGELOG.md
index a1613328..e8a4314b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [9.1.0](https://github.com/camptocamp/devops-stack-module-kube-prometheus-stack/compare/v9.0.0...v9.1.0) (2024-02-09)
+
+
+### Features
+
+* enable the export of Thanos sidecar metrics ([#111](https://github.com/camptocamp/devops-stack-module-kube-prometheus-stack/issues/111)) ([b31dd5c](https://github.com/camptocamp/devops-stack-module-kube-prometheus-stack/commit/b31dd5caa1bee6d5069fb1a05391a6ae8a68b10b))
+
 ## [9.0.0](https://github.com/camptocamp/devops-stack-module-kube-prometheus-stack/compare/v8.2.0...v9.0.0) (2024-01-19)
 
 
diff --git a/variables.tf b/variables.tf
index fec2c596..15157c0f 100644
--- a/variables.tf
+++ b/variables.tf
@@ -33,7 +33,7 @@ variable "destination_cluster" {
 variable "target_revision" {
   description = "Override of target revision of the application chart."
   type        = string
-  default     = "v9.0.0" # x-release-please-version
+  default     = "v9.1.0" # x-release-please-version
 }
 
 variable "cluster_issuer" {
diff --git a/version.txt b/version.txt
index f7ee0669..47da986f 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-9.0.0
+9.1.0