diff --git a/otc/observability.think-ahead.cloud/stacks/observability/grafana-operator.yaml b/otc/observability.think-ahead.cloud/stacks/observability/grafana-operator.yaml
index 719ef6e..2a0aef9 100644
--- a/otc/observability.think-ahead.cloud/stacks/observability/grafana-operator.yaml
+++ b/otc/observability.think-ahead.cloud/stacks/observability/grafana-operator.yaml
@@ -18,7 +18,7 @@ spec:
     namespace: observability
   sources:
     - chart: grafana-operator
-      repoURL: oci://ghcr.io/grafana/helm-charts
+      repoURL: ghcr.io/grafana/helm-charts
       targetRevision: v5.18.0
       releaseName: grafana-operator
     - repoURL: https://forgejo.edf-bootstrap.cx.fg1.ffm.osc.live/DevFW-CICD/stacks-instances