diff --git a/grafana/kustomization.yaml b/grafana/kustomization.yaml
index c235de5..1796112 100644
--- a/grafana/kustomization.yaml
+++ b/grafana/kustomization.yaml
@@ -7,7 +7,7 @@ helmCharts:
 - name: grafana-agent-operator
   namespace: grafana-agent
   repo: https://grafana.github.io/helm-charts
-  version: '0.3.15'
+  version: '0.4.0'
   releaseName: grafana-agent-operator
   includeCRDs: true
   valuesFile: operator-values.yaml