diff --git a/operations/helm/charts/mimir-distributed/Chart.lock b/operations/helm/charts/mimir-distributed/Chart.lock
index 79438a8434e..cdb1d5d8f32 100644
--- a/operations/helm/charts/mimir-distributed/Chart.lock
+++ b/operations/helm/charts/mimir-distributed/Chart.lock
@@ -4,9 +4,9 @@ dependencies:
   version: 5.0.14
 - name: grafana-agent-operator
   repository: https://grafana.github.io/helm-charts
-  version: 0.3.19
+  version: 0.3.20
 - name: rollout-operator
   repository: https://grafana.github.io/helm-charts
   version: 0.14.0
-digest: sha256:75efdd747392eb84047470b37fb55fc03d99c891cf9cbcf97463278e57e92b39
-generated: "2024-04-02T14:35:36.399712014Z"
+digest: sha256:8696047fdb4e5365086caa05d26796d45a49716d0dda159b9d50789191660524
+generated: "2024-04-08T01:38:16.315284364Z"
diff --git a/operations/helm/charts/mimir-distributed/Chart.yaml b/operations/helm/charts/mimir-distributed/Chart.yaml
index eebe5bcdfe6..fded98d6cb9 100644
--- a/operations/helm/charts/mimir-distributed/Chart.yaml
+++ b/operations/helm/charts/mimir-distributed/Chart.yaml
@@ -14,7 +14,7 @@ dependencies:
     condition: minio.enabled
   - name: grafana-agent-operator
     alias: grafana-agent-operator
-    version: 0.3.19
+    version: 0.3.20
     repository: https://grafana.github.io/helm-charts
     condition: metaMonitoring.grafanaAgent.installOperator
   - name: rollout-operator
diff --git a/operations/helm/charts/mimir-distributed/README.md b/operations/helm/charts/mimir-distributed/README.md
index ae5fbfb797c..6333c6c91be 100644
--- a/operations/helm/charts/mimir-distributed/README.md
+++ b/operations/helm/charts/mimir-distributed/README.md
@@ -25,7 +25,7 @@ Kubernetes: `^1.20.0-0`
 | Repository | Name | Version |
 |------------|------|---------|
 | https://charts.min.io/ | minio(minio) | 5.0.14 |
-| https://grafana.github.io/helm-charts | grafana-agent-operator(grafana-agent-operator) | 0.3.19 |
+| https://grafana.github.io/helm-charts | grafana-agent-operator(grafana-agent-operator) | 0.3.20 |
 | https://grafana.github.io/helm-charts | rollout_operator(rollout-operator) | 0.14.0 |
 
 # Contributing and releasing
diff --git a/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/charts/grafana-agent-operator/templates/operator-clusterrole.yaml b/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/charts/grafana-agent-operator/templates/operator-clusterrole.yaml
index 93adc8b070f..04f33ff7e98 100644
--- a/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/charts/grafana-agent-operator/templates/operator-clusterrole.yaml
+++ b/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/charts/grafana-agent-operator/templates/operator-clusterrole.yaml
@@ -9,7 +9,7 @@ metadata:
     app.kubernetes.io/instance: metamonitoring-values
     app.kubernetes.io/managed-by: Helm
     app.kubernetes.io/component: operator
-    helm.sh/chart: grafana-agent-operator-0.3.19
+    helm.sh/chart: grafana-agent-operator-0.3.20
     app.kubernetes.io/version: "0.40.3"
 rules:
 - apiGroups: [monitoring.grafana.com]
diff --git a/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/charts/grafana-agent-operator/templates/operator-clusterrolebinding.yaml b/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/charts/grafana-agent-operator/templates/operator-clusterrolebinding.yaml
index 79b73f94058..5223af8d96d 100644
--- a/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/charts/grafana-agent-operator/templates/operator-clusterrolebinding.yaml
+++ b/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/charts/grafana-agent-operator/templates/operator-clusterrolebinding.yaml
@@ -9,7 +9,7 @@ metadata:
     app.kubernetes.io/instance: metamonitoring-values
     app.kubernetes.io/managed-by: Helm
     app.kubernetes.io/component: operator
-    helm.sh/chart: grafana-agent-operator-0.3.19
+    helm.sh/chart: grafana-agent-operator-0.3.20
     app.kubernetes.io/version: "0.40.3"
 roleRef:
   apiGroup: rbac.authorization.k8s.io
diff --git a/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/charts/grafana-agent-operator/templates/operator-deployment.yaml b/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/charts/grafana-agent-operator/templates/operator-deployment.yaml
index ccb92a14b23..b2e890437f3 100644
--- a/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/charts/grafana-agent-operator/templates/operator-deployment.yaml
+++ b/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/charts/grafana-agent-operator/templates/operator-deployment.yaml
@@ -9,7 +9,7 @@ metadata:
     app.kubernetes.io/instance: metamonitoring-values
     app.kubernetes.io/managed-by: Helm
     app.kubernetes.io/component: operator
-    helm.sh/chart: grafana-agent-operator-0.3.19
+    helm.sh/chart: grafana-agent-operator-0.3.20
     app.kubernetes.io/version: "0.40.3"
 spec:
   replicas: 1
diff --git a/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/charts/grafana-agent-operator/templates/operator-serviceaccount.yaml b/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/charts/grafana-agent-operator/templates/operator-serviceaccount.yaml
index 2a1e18fb8fc..76350e4425b 100644
--- a/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/charts/grafana-agent-operator/templates/operator-serviceaccount.yaml
+++ b/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/charts/grafana-agent-operator/templates/operator-serviceaccount.yaml
@@ -10,5 +10,5 @@ metadata:
     app.kubernetes.io/instance: metamonitoring-values
     app.kubernetes.io/managed-by: Helm
     app.kubernetes.io/component: operator
-    helm.sh/chart: grafana-agent-operator-0.3.19
+    helm.sh/chart: grafana-agent-operator-0.3.20
     app.kubernetes.io/version: "0.40.3"
diff --git a/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/charts/grafana-agent-operator/templates/tests/test-grafanaagent.yaml b/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/charts/grafana-agent-operator/templates/tests/test-grafanaagent.yaml
index 5c4e563d52d..6a4931c2ae0 100644
--- a/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/charts/grafana-agent-operator/templates/tests/test-grafanaagent.yaml
+++ b/operations/helm/tests/metamonitoring-values-generated/mimir-distributed/charts/grafana-agent-operator/templates/tests/test-grafanaagent.yaml
@@ -73,13 +73,13 @@ metadata:
 spec:
   containers:
   - name: busybox
-    image: busybox
+    image: "docker.io/library/busybox:latest"
     command: ['wget']
     args:  ['grafana-agent-test-operated:8080/-/healthy']
   # Wait for GrafanaAgent CR
   initContainers:
   - name: sleep
-    image: busybox
+    image: "docker.io/library/busybox:latest"
     command: ['sleep', '60']
   restartPolicy: Never
 ---