diff --git a/helm/Chart.yaml b/helm/Chart.yaml
index ed003b9295ef0cd2cfc6d1660d21311e5d32a806..caf143737663c5b28fcebd35b35979db507c7681 100644
--- a/helm/Chart.yaml
+++ b/helm/Chart.yaml
@@ -13,11 +13,11 @@ type: application
 
 dependencies:
   - name: grafana
-    version: 6.0.0
+    version: 6.17.5
     repository: https://grafana.github.io/helm-charts
     condition: grafana.enabled
   - name: kube-prometheus-stack
-    version:  12.0.0
+    version:  20.0.1
     repository: https://prometheus-community.github.io/helm-charts
     condition: kube-prometheus-stack.enabled
   - name: cp-helm-charts
diff --git a/helm/templates/theodolite/role-binding.yaml b/helm/templates/theodolite/role-binding.yaml
index 93d8c34e7bc544c3b0c231e986bc58c792cce38e..3b327bb246f9716be0939416db55fc1b2cc5dd70 100644
--- a/helm/templates/theodolite/role-binding.yaml
+++ b/helm/templates/theodolite/role-binding.yaml
@@ -1,5 +1,5 @@
 {{- if .Values.rbac.create -}}
-apiVersion: rbac.authorization.k8s.io/v1beta1
+apiVersion: rbac.authorization.k8s.io/v1
 kind: RoleBinding
 metadata:
   name:  {{ include "theodolite.fullname" . }}