diff --git a/otc/observability.buildth.ing/stacks/observability/grafana-operator.yaml b/otc/observability.buildth.ing/stacks/observability/grafana-operator.yaml
index 85a4837..4a27771 100644
--- a/otc/observability.buildth.ing/stacks/observability/grafana-operator.yaml
+++ b/otc/observability.buildth.ing/stacks/observability/grafana-operator.yaml
@@ -19,7 +19,7 @@ spec:
   sources:
     - chart: grafana-operator
       repoURL: ghcr.io/grafana/helm-charts
-      targetRevision: v5.23.0
+      targetRevision: 5.23.0
     - repoURL: https://edp.buildth.ing/DevFW-CICD/stacks-instances
       targetRevision: HEAD
       path: "otc/observability.buildth.ing/stacks/observability/grafana-operator/manifests"