diff --git a/grafana/kustomization.yaml b/grafana/kustomization.yaml
index 19f7060..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: 0.4.0
+  version: '0.4.0'
   releaseName: grafana-agent-operator
   includeCRDs: true
   valuesFile: operator-values.yaml
diff --git a/ksm/kustomization.yaml b/ksm/kustomization.yaml
index 28d85a0..91b0eea 100644
--- a/ksm/kustomization.yaml
+++ b/ksm/kustomization.yaml
@@ -4,7 +4,7 @@ helmCharts:
 - name: kube-state-metrics
   namespace: kube-system
   repo: https://prometheus-community.github.io/helm-charts
-  version: 5.20.0
+  version: '5.20.0'
   releaseName: ksm
   includeCRDs: true
   valuesFile: ksm-values.yaml