diff --git a/.yamllint.yaml b/.yamllint.yaml
index a944498c..1a2db9f6 100644
--- a/.yamllint.yaml
+++ b/.yamllint.yaml
@@ -7,3 +7,7 @@ rules:
     check-keys: false
   comments:
     min-spaces-from-content: 1  # Needed due to https://github.com/adrienverge/yamllint/issues/443
+  braces:
+    ignore: |
+      stacks/signal-processing/*
+      stacks/_templates/*
diff --git a/stacks/_templates/jupyterhub.yaml b/stacks/_templates/jupyterhub.yaml
index 793929a7..fd4bbd81 100644
--- a/stacks/_templates/jupyterhub.yaml
+++ b/stacks/_templates/jupyterhub.yaml
@@ -4,7 +4,7 @@ name: jupyterhub
 repo:
   name: jupyterhub
   url: https://jupyterhub.github.io/helm-chart/
-version: 3.3.7
+version: 4.0.0
 options:
   hub:
     config:
diff --git a/stacks/_templates/keycloak.yaml b/stacks/_templates/keycloak.yaml
index c7d7085e..7491b28b 100644
--- a/stacks/_templates/keycloak.yaml
+++ b/stacks/_templates/keycloak.yaml
@@ -17,7 +17,7 @@ spec:
     spec:
       containers:
         - name: keycloak
-          image: quay.io/keycloak/keycloak:22.0.3
+          image: quay.io/keycloak/keycloak:26.0.5
           args:
             - start
             - --hostname-strict=false
diff --git a/stacks/_templates/minio-distributed-small.yaml b/stacks/_templates/minio-distributed-small.yaml
index 2f7ee3d3..da59a6b5 100644
--- a/stacks/_templates/minio-distributed-small.yaml
+++ b/stacks/_templates/minio-distributed-small.yaml
@@ -1,9 +1,10 @@
+---
 releaseName: minio
 name: minio
 repo:
   name: minio
   url: https://charts.min.io/
-version: 5.2.0
+version: 5.3.0
 options:
   additionalLabels:
     stackable.tech/vendor: Stackable
diff --git a/stacks/_templates/minio-distributed.yaml b/stacks/_templates/minio-distributed.yaml
index 656177a5..a6b22c81 100644
--- a/stacks/_templates/minio-distributed.yaml
+++ b/stacks/_templates/minio-distributed.yaml
@@ -1,9 +1,10 @@
+---
 releaseName: minio
 name: minio
 repo:
   name: minio
   url: https://charts.min.io/
-version: 5.2.0
+version: 5.3.0
 options:
   additionalLabels:
     stackable.tech/vendor: Stackable
diff --git a/stacks/_templates/minio.yaml b/stacks/_templates/minio.yaml
index f75581d3..2ddc51c0 100644
--- a/stacks/_templates/minio.yaml
+++ b/stacks/_templates/minio.yaml
@@ -1,9 +1,10 @@
+---
 releaseName: minio
 name: minio
 repo:
   name: minio
   url: https://charts.min.io/
-version: 5.2.0
+version: 5.3.0
 options:
   additionalLabels:
     stackable.tech/vendor: Stackable
diff --git a/stacks/_templates/opensearch-dashboards.yaml b/stacks/_templates/opensearch-dashboards.yaml
index f4765057..8dbdb2c1 100644
--- a/stacks/_templates/opensearch-dashboards.yaml
+++ b/stacks/_templates/opensearch-dashboards.yaml
@@ -1,9 +1,10 @@
+---
 releaseName: opensearch-dashboards
 name: opensearch-dashboards
 repo:
   name: opensearch-dashboards
   url: https://opensearch-project.github.io/helm-charts
-version: 2.16.0
+version: 2.25.0
 options:
   labels:
     stackable.tech/vendor: Stackable
diff --git a/stacks/_templates/opensearch.yaml b/stacks/_templates/opensearch.yaml
index e381b01d..1f189323 100644
--- a/stacks/_templates/opensearch.yaml
+++ b/stacks/_templates/opensearch.yaml
@@ -1,9 +1,10 @@
+---
 releaseName: opensearch
 name: opensearch
 repo:
   name: opensearch
   url: https://opensearch-project.github.io/helm-charts
-version: 2.18.0
+version: 2.27.0
 options:
   labels:
     stackable.tech/vendor: Stackable
diff --git a/stacks/_templates/postgresql-airflow.yaml b/stacks/_templates/postgresql-airflow.yaml
index 63421bab..159186a0 100644
--- a/stacks/_templates/postgresql-airflow.yaml
+++ b/stacks/_templates/postgresql-airflow.yaml
@@ -1,9 +1,10 @@
+---
 releaseName: postgresql-airflow
 name: postgresql
 repo:
   name: bitnami
   url: https://charts.bitnami.com/bitnami/
-version: 15.5.16
+version: 16.1.2
 options:
   commonLabels:
     stackable.tech/vendor: Stackable
diff --git a/stacks/_templates/postgresql-druid.yaml b/stacks/_templates/postgresql-druid.yaml
index 2e36ceb5..033911f4 100644
--- a/stacks/_templates/postgresql-druid.yaml
+++ b/stacks/_templates/postgresql-druid.yaml
@@ -1,9 +1,10 @@
+---
 releaseName: postgresql-druid
 name: postgresql
 repo:
   name: bitnami
   url: https://charts.bitnami.com/bitnami/
-version: 15.5.16
+version: 16.1.2
 options:
   commonLabels:
     stackable.tech/vendor: Stackable
diff --git a/stacks/_templates/postgresql-hive-iceberg.yaml b/stacks/_templates/postgresql-hive-iceberg.yaml
index 098fa4a5..1cdd1848 100644
--- a/stacks/_templates/postgresql-hive-iceberg.yaml
+++ b/stacks/_templates/postgresql-hive-iceberg.yaml
@@ -1,9 +1,10 @@
+---
 releaseName: postgresql-hive-iceberg
 name: postgresql
 repo:
   name: bitnami
   url: https://charts.bitnami.com/bitnami/
-version: 15.5.16
+version: 16.1.2
 options:
   commonLabels:
     stackable.tech/vendor: Stackable
diff --git a/stacks/_templates/postgresql-hive.yaml b/stacks/_templates/postgresql-hive.yaml
index 4feee781..bc77ac4e 100644
--- a/stacks/_templates/postgresql-hive.yaml
+++ b/stacks/_templates/postgresql-hive.yaml
@@ -1,9 +1,10 @@
+---
 releaseName: postgresql-hive
 name: postgresql
 repo:
   name: bitnami
   url: https://charts.bitnami.com/bitnami/
-version: 15.5.16
+version: 16.1.2
 options:
   commonLabels:
     stackable.tech/vendor: Stackable
diff --git a/stacks/_templates/postgresql-hivehdfs.yaml b/stacks/_templates/postgresql-hivehdfs.yaml
index a2cf58a7..ce4e83f9 100644
--- a/stacks/_templates/postgresql-hivehdfs.yaml
+++ b/stacks/_templates/postgresql-hivehdfs.yaml
@@ -1,9 +1,10 @@
+---
 releaseName: hivehdfs
 name: postgresql
 repo:
   name: bitnami
   url: https://charts.bitnami.com/bitnami/
-version: 15.5.16
+version: 16.1.2
 options:
   commonLabels:
     stackable.tech/vendor: Stackable
diff --git a/stacks/_templates/postgresql-hives3.yaml b/stacks/_templates/postgresql-hives3.yaml
index c1fd8d55..329cefc9 100644
--- a/stacks/_templates/postgresql-hives3.yaml
+++ b/stacks/_templates/postgresql-hives3.yaml
@@ -1,9 +1,10 @@
+---
 releaseName: hives3
 name: postgresql
 repo:
   name: bitnami
   url: https://charts.bitnami.com/bitnami/
-version: 15.5.16
+version: 16.1.2
 options:
   commonLabels:
     stackable.tech/vendor: Stackable
diff --git a/stacks/_templates/postgresql-superset.yaml b/stacks/_templates/postgresql-superset.yaml
index 485337de..4346c876 100644
--- a/stacks/_templates/postgresql-superset.yaml
+++ b/stacks/_templates/postgresql-superset.yaml
@@ -1,9 +1,10 @@
+---
 releaseName: postgresql-superset
 name: postgresql
 repo:
   name: bitnami
   url: https://charts.bitnami.com/bitnami/
-version: 15.5.16
+version: 16.1.2
 options:
   commonLabels:
     stackable.tech/vendor: Stackable
diff --git a/stacks/_templates/postgresql-timescaledb.yaml b/stacks/_templates/postgresql-timescaledb.yaml
index 594ff092..e1f3f2dc 100644
--- a/stacks/_templates/postgresql-timescaledb.yaml
+++ b/stacks/_templates/postgresql-timescaledb.yaml
@@ -1,3 +1,4 @@
+---
 releaseName: postgresql-timescaledb
 name: timescaledb-single
 repo:
diff --git a/stacks/_templates/prometheus.yaml b/stacks/_templates/prometheus.yaml
index bd796d78..56f9412e 100644
--- a/stacks/_templates/prometheus.yaml
+++ b/stacks/_templates/prometheus.yaml
@@ -1,9 +1,10 @@
+---
 releaseName: prometheus
 name: kube-prometheus-stack
 repo:
   name: prometheus-community
   url: https://prometheus-community.github.io/helm-charts
-version: 54.2.2
+version: 66.1.0
 options:
   commonMetaLabels:
     stackable.tech/vendor: Stackable
@@ -34,14 +35,14 @@ options:
       stackable-dashboardprovider.yaml:
         apiVersion: 1
         providers:
-        - name: 'stackable'
-          orgId: 1
-          folder: 'Stackable Data Platform'
-          type: file
-          disableDeletion: false
-          allowUiUpdates: true # TODO set to false. Is enabled so Dashboards can be build easier. Note: If a provisioned dashboard is saved from the UI and then later updated from the source, the dashboard stored in the database will always be overwritten
-          options:
-            path: /var/lib/grafana/dashboards/stackable # Must be /var/lib/grafana/dashboards/<provider_name>
+          - name: 'stackable'
+            orgId: 1
+            folder: 'Stackable Data Platform'
+            type: file
+            disableDeletion: false
+            allowUiUpdates: true # TODO set to false. Is enabled so Dashboards can be build easier. Note: If a provisioned dashboard is saved from the UI and then later updated from the source, the dashboard stored in the database will always be overwritten
+            options:
+              path: /var/lib/grafana/dashboards/stackable # Must be /var/lib/grafana/dashboards/<provider_name>
     dashboardsConfigMaps:
       stackable: stackable-grafana-dashboards
   kube-state-metrics:
diff --git a/stacks/_templates/redis-airflow.yaml b/stacks/_templates/redis-airflow.yaml
index 19f37cfa..a4b7bd19 100644
--- a/stacks/_templates/redis-airflow.yaml
+++ b/stacks/_templates/redis-airflow.yaml
@@ -1,9 +1,10 @@
+---
 releaseName: redis-airflow
 name: redis
 repo:
   name: bitnami
   url: https://charts.bitnami.com/bitnami/
-version: 19.6.1
+version: 19.6.4
 options:
   commonLabels:
     stackable.tech/vendor: Stackable
diff --git a/stacks/_templates/vector-aggregator.yaml b/stacks/_templates/vector-aggregator.yaml
index d7dd458a..c6bf486b 100644
--- a/stacks/_templates/vector-aggregator.yaml
+++ b/stacks/_templates/vector-aggregator.yaml
@@ -1,9 +1,10 @@
+---
 releaseName: vector-aggregator
 name: vector
 repo:
   name: vector
   url: https://helm.vector.dev
-version: 0.34.0
+version: 0.37.0
 options:
   commonLabels:
     stackable.tech/vendor: Stackable
diff --git a/stacks/observability/grafana-loki.yaml b/stacks/observability/grafana-loki.yaml
index e8785a9d..45514b48 100644
--- a/stacks/observability/grafana-loki.yaml
+++ b/stacks/observability/grafana-loki.yaml
@@ -1,10 +1,11 @@
 # https://github.com/grafana/loki/tree/main/production/helm/loki
+---
 releaseName: loki
 name: loki
 repo:
   name: loki
   url: https://grafana.github.io/helm-charts
-version: 5.47.2
+version: 6.19.0
 options:
   loki:
     auth_enabled: false
diff --git a/stacks/observability/grafana-tempo.yaml b/stacks/observability/grafana-tempo.yaml
index 5c0e9d69..b576c6cb 100644
--- a/stacks/observability/grafana-tempo.yaml
+++ b/stacks/observability/grafana-tempo.yaml
@@ -1,10 +1,11 @@
 # https://github.com/grafana/helm-charts/tree/main/charts/tempo
+---
 releaseName: tempo
 name: tempo
 repo:
   name: tempo
   url: https://grafana.github.io/helm-charts
-version: 1.7.2
+version: 1.13.0
 options:
   tempo:
     server:
diff --git a/stacks/observability/grafana.yaml b/stacks/observability/grafana.yaml
index 1e847e66..d215406e 100644
--- a/stacks/observability/grafana.yaml
+++ b/stacks/observability/grafana.yaml
@@ -1,10 +1,11 @@
 # https://github.com/grafana/helm-charts/tree/main/charts/grafana
+---
 releaseName: grafana
 name: grafana
 repo:
   name: grafana
   url: https://grafana.github.io/helm-charts
-version: 7.3.7
+version: 8.6.0
 options:
   admin:
     existingSecret: grafana-admin-credentials
@@ -14,24 +15,24 @@ options:
     datasources.yaml:
       apiVersion: 1
       datasources:
-      - name: Loki
-        type: loki
-        url: https://loki.default.svc.cluster.local:3100
-        access: proxy
-        isDefault: false
-        jsonData:
-          tlsAuthWithCACert: true
-        secureJsonData:
-          tlsCACert: $__file{/etc/grafana/certs/ca.crt}
-      - name: Tempo
-        type: tempo
-        url: https://tempo.default.svc.cluster.local:3100
-        access: proxy
-        isDefault: false
-        jsonData:
-          tlsAuthWithCACert: true
-        secureJsonData:
-          tlsCACert: $__file{/etc/grafana/certs/ca.crt}
+        - name: Loki
+          type: loki
+          url: https://loki.default.svc.cluster.local:3100
+          access: proxy
+          isDefault: false
+          jsonData:
+            tlsAuthWithCACert: true
+          secureJsonData:
+            tlsCACert: $__file{/etc/grafana/certs/ca.crt}
+        - name: Tempo
+          type: tempo
+          url: https://tempo.default.svc.cluster.local:3100
+          access: proxy
+          isDefault: false
+          jsonData:
+            tlsAuthWithCACert: true
+          secureJsonData:
+            tlsCACert: $__file{/etc/grafana/certs/ca.crt}
   readinessProbe:
     httpGet:
       scheme: HTTPS
diff --git a/stacks/observability/jaeger.yaml b/stacks/observability/jaeger.yaml
index 0e89d44f..334a14fe 100644
--- a/stacks/observability/jaeger.yaml
+++ b/stacks/observability/jaeger.yaml
@@ -1,11 +1,12 @@
 # https://github.com/jaegertracing/helm-charts/tree/main/charts/jaeger
 # The jaeger allInOne mode doesn't support NodePort services.
+---
 releaseName: jaeger
 name: jaeger
 repo:
   name: jaeger
   url: https://jaegertracing.github.io/helm-charts
-version: 2.0.1
+version: 3.3.2
 options:
   # labels:
   #   stackable.tech/vendor: Stackable
@@ -18,10 +19,10 @@ options:
       headless: true
       collector:
         otlp:
-          grpc:
-            name: otlp-grpc
           # http:
           #   name: otlp-http
+          grpc:
+            name: otlp-grpc
   agent:
     enabled: false
   collector:
diff --git a/stacks/observability/opentelemetry-operator.yaml b/stacks/observability/opentelemetry-operator.yaml
index 8fc8b9bb..c13d75f4 100644
--- a/stacks/observability/opentelemetry-operator.yaml
+++ b/stacks/observability/opentelemetry-operator.yaml
@@ -1,10 +1,11 @@
 # https://github.com/open-telemetry/opentelemetry-helm-charts/tree/main/charts/opentelemetry-operator
+---
 releaseName: opentelemetry-operator
 name: opentelemetry-operator
 repo:
   name: opentelemetry-operator
   url: https://open-telemetry.github.io/opentelemetry-helm-charts
-version: 0.60.0
+version: 0.73.0
 options:
   admissionWebhooks:
     certManager:
diff --git a/stacks/signal-processing/grafana.yaml b/stacks/signal-processing/grafana.yaml
index cf871853..4b334f10 100644
--- a/stacks/signal-processing/grafana.yaml
+++ b/stacks/signal-processing/grafana.yaml
@@ -1,9 +1,10 @@
+---
 releaseName: grafana
 name: grafana
 repo:
   name: grafana
   url: https://grafana.github.io/helm-charts
-version: 7.3.7
+version: 8.6.0
 options:
   extraLabels:
     stackable.tech/vendor: Stackable
@@ -21,14 +22,14 @@ options:
     stackable-dashboardprovider.yaml:
       apiVersion: 1
       providers:
-      - name: 'stackable'
-        orgId: 1
-        folder: 'Stackable Data Platform'
-        type: file
-        disableDeletion: false
-        allowUiUpdates: true
-        options:
-          path: /var/lib/grafana/dashboards/stackable
+        - name: 'stackable'
+          orgId: 1
+          folder: 'Stackable Data Platform'
+          type: file
+          disableDeletion: false
+          allowUiUpdates: true
+          options:
+            path: /var/lib/grafana/dashboards/stackable
   dashboardsConfigMaps:
     stackable: stackable-grafana-dashboards
   datasources:
diff --git a/stacks/signal-processing/jupyterhub.yaml b/stacks/signal-processing/jupyterhub.yaml
index 6b086a44..a3b745b6 100644
--- a/stacks/signal-processing/jupyterhub.yaml
+++ b/stacks/signal-processing/jupyterhub.yaml
@@ -1,9 +1,10 @@
+---
 releaseName: jupyterhub
 name: jupyterhub
 repo:
   name: jupyterhub
   url: https://jupyterhub.github.io/helm-chart/
-version: 3.2.1
+version: 4.0.0
 options:
   hub:
     config: