diff --git a/.github/workflows/linting-and-tests.yml b/.github/workflows/linting-and-tests.yml
index f7cb062b..4bf8ae8d 100644
--- a/.github/workflows/linting-and-tests.yml
+++ b/.github/workflows/linting-and-tests.yml
@@ -388,7 +388,6 @@ jobs:
             --set grafana.env.GF_FEATURE_TOGGLES_ENABLE=topnav \
             --set grafana.env.GF_PLUGINS_ALLOW_LOADING_UNSIGNED_PLUGINS=grafana-oncall-app \
             --set-json "grafana.plugins=[]" \
-            --set-json 'grafana.securityContext={"runAsUser": 0, "runAsGroup": 0, "fsGroup": 0}' \
             --set-json 'grafana.extraVolumeMounts=[{"name":"plugins","mountPath":"/var/lib/grafana/plugins/grafana-plugin","hostPath":"/oncall-plugin","readOnly":true}]' \
             ./helm/oncall
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b098094f..cd0f0133 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Changed
+
+- Helm chart: Upgrade helm dependecies, improve local setup [#2144](https://github.com/grafana/oncall/pull/2144)
+
 ### Fixed
 
 - Fix receive channel filter in alert groups API [#2140](https://github.com/grafana/oncall/pull/2140)
diff --git a/helm/README.md b/helm/README.md
index 698a9664..0e538b25 100644
--- a/helm/README.md
+++ b/helm/README.md
@@ -20,10 +20,7 @@
    ```bash
       helm install helm-testing \
       --wait \
-      --timeout 30m \
-      --wait-for-jobs \
       --values ./simple.yml \
-      --values ./values-arm64.yml \
       ./oncall
    ```
 
diff --git a/helm/oncall/Chart.yaml b/helm/oncall/Chart.yaml
index 44c975eb..5fae0986 100644
--- a/helm/oncall/Chart.yaml
+++ b/helm/oncall/Chart.yaml
@@ -2,6 +2,7 @@ apiVersion: v2
 name: oncall
 description: Developer-friendly incident response with brilliant Slack integration
 type: application
+# version and appVersion are handled by CI, no need to change them manually
 version: 1.2.36
 appVersion: v1.2.36
 dependencies:
@@ -10,7 +11,7 @@ dependencies:
     repository: https://charts.jetstack.io
     condition: cert-manager.enabled
   - name: mariadb
-    version: 11.0.10
+    version: 12.2.5
     repository: https://charts.bitnami.com/bitnami
     condition: mariadb.enabled
   - name: postgresql
@@ -18,7 +19,7 @@ dependencies:
     repository: https://charts.bitnami.com/bitnami
     condition: postgresql.enabled
   - name: rabbitmq
-    version: 10.3.9
+    version: 12.0.0
     repository: https://charts.bitnami.com/bitnami
     condition: rabbitmq.enabled
   - name: redis
@@ -26,7 +27,7 @@ dependencies:
     repository: https://charts.bitnami.com/bitnami
     condition: redis.enabled
   - name: grafana
-    version: 6.29.6
+    version: 6.57.1
     repository: https://grafana.github.io/helm-charts
     condition: grafana.enabled
   - name: ingress-nginx
diff --git a/helm/oncall/charts/grafana-6.29.6.tgz b/helm/oncall/charts/grafana-6.29.6.tgz
deleted file mode 100644
index ed0a64c9..00000000
Binary files a/helm/oncall/charts/grafana-6.29.6.tgz and /dev/null differ
diff --git a/helm/oncall/charts/grafana-6.57.1.tgz b/helm/oncall/charts/grafana-6.57.1.tgz
new file mode 100644
index 00000000..25121669
Binary files /dev/null and b/helm/oncall/charts/grafana-6.57.1.tgz differ
diff --git a/helm/oncall/charts/mariadb-11.0.10.tgz b/helm/oncall/charts/mariadb-11.0.10.tgz
deleted file mode 100644
index 0e41a301..00000000
Binary files a/helm/oncall/charts/mariadb-11.0.10.tgz and /dev/null differ
diff --git a/helm/oncall/charts/mariadb-12.2.5.tgz b/helm/oncall/charts/mariadb-12.2.5.tgz
new file mode 100644
index 00000000..d9b8b659
Binary files /dev/null and b/helm/oncall/charts/mariadb-12.2.5.tgz differ
diff --git a/helm/oncall/charts/rabbitmq-10.1.1.tgz b/helm/oncall/charts/rabbitmq-10.1.1.tgz
deleted file mode 100644
index 955e49d1..00000000
Binary files a/helm/oncall/charts/rabbitmq-10.1.1.tgz and /dev/null differ
diff --git a/helm/oncall/charts/rabbitmq-12.0.0.tgz b/helm/oncall/charts/rabbitmq-12.0.0.tgz
new file mode 100644
index 00000000..0be84a07
Binary files /dev/null and b/helm/oncall/charts/rabbitmq-12.0.0.tgz differ
diff --git a/helm/oncall/charts/redis-16.10.1.tgz b/helm/oncall/charts/redis-16.10.1.tgz
deleted file mode 100644
index dfb1e8df..00000000
Binary files a/helm/oncall/charts/redis-16.10.1.tgz and /dev/null differ
diff --git a/helm/oncall/charts/redis-16.13.2.tgz b/helm/oncall/charts/redis-16.13.2.tgz
new file mode 100644
index 00000000..33b5e967
Binary files /dev/null and b/helm/oncall/charts/redis-16.13.2.tgz differ
diff --git a/helm/oncall/templates/engine/deployment.yaml b/helm/oncall/templates/engine/deployment.yaml
index f0848c76..ba9bb820 100644
--- a/helm/oncall/templates/engine/deployment.yaml
+++ b/helm/oncall/templates/engine/deployment.yaml
@@ -86,7 +86,7 @@ spec:
             httpGet:
               path: /startupprobe/
               port: http
-            periodSeconds: 60
+            periodSeconds: 10
             timeoutSeconds: 3
           resources:
             {{- toYaml .Values.engine.resources | nindent 12 }}
diff --git a/helm/oncall/values.yaml b/helm/oncall/values.yaml
index 2616a89c..5fc5fafb 100644
--- a/helm/oncall/values.yaml
+++ b/helm/oncall/values.yaml
@@ -327,6 +327,9 @@ grafana:
       serve_from_sub_path: true
   persistence:
     enabled: true
+  # Disable psp as PodSecurityPolicy is deprecated in v1.21+, unavailable in v1.25+
+  rbac:
+    pspEnabled: false
   plugins:
     - grafana-oncall-app
 
diff --git a/helm/values-arm64.yml b/helm/values-arm64.yml
deleted file mode 100644
index 7d59ae5a..00000000
--- a/helm/values-arm64.yml
+++ /dev/null
@@ -1,16 +0,0 @@
-# Substituting bitnami image with official image
-# to be able to run Rabbitmq on arm64 (Mac M1)
-# Optional for amd64 systems
-rabbitmq:
-  enabled: true
-  image:
-    repository: rabbitmq
-    tag: 3.10.10
-  auth:
-    username: user
-    password: user
-  extraEnvVars:
-    - name: RABBITMQ_DEFAULT_USER
-      value: user
-    - name: RABBITMQ_DEFAULT_PASS
-      value: user
\ No newline at end of file