diff --git a/CHANGELOG.md b/CHANGELOG.md
index bdc064a8..45300c84 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.0.0-alpha.4](https://github.com/camptocamp/devops-stack-module-kube-prometheus-stack/compare/v1.0.0-alpha.3...v1.0.0-alpha.4) (2023-01-30)
+
+
+### Features
+
+* add variable to configure Argo CD auto sync ([#27](https://github.com/camptocamp/devops-stack-module-kube-prometheus-stack/issues/27)) ([214b798](https://github.com/camptocamp/devops-stack-module-kube-prometheus-stack/commit/214b798a7d54cc1476c72f4b01f9e7c4f96ac24e))
+
 ## [1.0.0-alpha.3](https://github.com/camptocamp/devops-stack-module-kube-prometheus-stack/compare/v1.0.0-alpha.2...v1.0.0-alpha.3) (2022-12-27)
 
 
diff --git a/variables.tf b/variables.tf
index cd9c44f9..b91c8e2f 100644
--- a/variables.tf
+++ b/variables.tf
@@ -17,7 +17,7 @@ variable "argocd_namespace" {
 variable "target_revision" {
   description = "Override of target revision of the application chart."
   type        = string
-  default     = "v1.0.0-alpha.3" # x-release-please-version
+  default     = "v1.0.0-alpha.4" # x-release-please-version
 }
 
 variable "cluster_issuer" {
diff --git a/version.txt b/version.txt
index 4002114c..eead28a4 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-1.0.0-alpha.3
+1.0.0-alpha.4