diff --git a/charts/stable/grafana/Chart.yaml b/charts/stable/grafana/Chart.yaml
index 42d9d0ce2e5..3e5ae865d00 100644
--- a/charts/stable/grafana/Chart.yaml
+++ b/charts/stable/grafana/Chart.yaml
@@ -42,5 +42,5 @@ sources:
   - https://grafana.com/
   - https://hub.docker.com/r/grafana/grafana
 type: application
-version: 21.3.0
+version: 21.3.1
 
diff --git a/charts/stable/grafana/values.yaml b/charts/stable/grafana/values.yaml
index e10ceb00e28..43ac2f91aeb 100644
--- a/charts/stable/grafana/values.yaml
+++ b/charts/stable/grafana/values.yaml
@@ -5,7 +5,7 @@ image:
 
 sidecarImage:
   repository: ghcr.io/kiwigrid/k8s-sidecar
-  tag: 2.2.2@sha256:b37cfa2198243c45475f4e8a0b715e6e4b5f3c2bd67df60eeff733780f6a9323
+  tag: 2.2.3@sha256:35a92d087d3063b7376a832b58e8f0818afd9e5e7489e7a83275d761a3c1cf0f
 
 # Define extra dashboards to be provisioned
 # Supports 2 formats: