diff --git a/charts/incubator/splunk/Chart.yaml b/charts/incubator/splunk/Chart.yaml
index 1844e71ba1f39..e359f2d5a27b1 100644
--- a/charts/incubator/splunk/Chart.yaml
+++ b/charts/incubator/splunk/Chart.yaml
@@ -2,11 +2,11 @@ annotations:
   truecharts.org/SCALE-support: "true"
   truecharts.org/category: Tools-Utilities
 apiVersion: v2
-appVersion: "9.0.4"
+appVersion: "9.1.2"
 dependencies:
   - name: common
     repository: https://library-charts.truecharts.org
-    version: 11.1.2
+    version: 15.2.0
 deprecated: false
 description: "This is a Chartfile for Splunk designed for OpenShift and TrueNAS based on Alpine Linux - https://www.splunk.com"
 home: https://truecharts.org/charts/incubator/splunk
@@ -25,4 +25,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/incubator/splunk
   - https://splunk.github.io/docker-splunk
 type: application
-version: 3.0.10
+version: 4.0.0
diff --git a/charts/incubator/splunk/questions.yaml b/charts/incubator/splunk/questions.yaml
index 09c9184a2c743..13ca244affe65 100644
--- a/charts/incubator/splunk/questions.yaml
+++ b/charts/incubator/splunk/questions.yaml
@@ -6,54 +6,50 @@ questions:
 # Include{global}
 # Include{workload}
 # Include{workloadDeployment}
-
 # Include{replicas1}
 # Include{podSpec}
 # Include{containerMain}
+
+
 # Include{containerBasic}
 # Include{containerAdvanced}
 
   - variable: splunk
     group: App Configuration
-    label: Splunk Configuration
+    label: "Splunk Configuration"
     schema:
       additional_attrs: true
       type: dict
       attrs:
         - variable: acceptLicense
-          label: Accept License
-          description: Arguments to start Splunk with.
+          label: "Accept License"
+          description: "Arguments to start Splunk with."
           schema:
             type: boolean
             default: true
         - variable: password
-          label: Splunk Password
-          description: Splunk Web UI admin password.
+          label: "Splunk Password"
+          description: "Splunk Web UI admin password."
           schema:
             type: string
             private: true
             default: ""
         - variable: extraArgs
-          label: Extra Startup Arg
+          label: "Extra Startup Arguments"
           schema:
             type: list
             default: []
             items:
               - variable: argEntry
-                label: Arg Entry
+                label: "Arg Entry"
                 schema:
                   type: string
                   required: true
                   default: ""
 # Include{containerConfig}
+# Include{podOptions}
 # Include{serviceRoot}
-        - variable: main
-          label: Main Service
-          description: The Primary service on which the healthcheck runs, often the webUI
-          schema:
-            additional_attrs: true
-            type: dict
-            attrs:
+# Include{serviceMain}
 # Include{serviceSelectorLoadBalancer}
 # Include{serviceSelectorExtras}
                     - variable: main
@@ -154,20 +150,19 @@ questions:
 # Include{ingressTraefik}
 # Include{ingressAdvanced}
 # Include{ingressList}
-
-# Include{podSecurityContextRoot}
-        - variable: runAsUser
-          label: runAsUser
-          description: The UserID of the user running the application
-          schema:
-            type: int
-            default: 0
-        - variable: runAsGroup
-          label: runAsGroup
-          description: The groupID this App of the user running the application
-          schema:
-            type: int
-            default: 0
+# Include{securityContextRoot}
+              - variable: runAsUser
+                label: "runAsUser"
+                description: "The UserID of the user running the application"
+                schema:
+                  type: int
+                  default: 0
+              - variable: runAsGroup
+                label: "runAsGroup"
+                description: "The groupID this App of the user running the application"
+                schema:
+                  type: int
+                  default: 0
 # Include{securityContextContainer}
 # Include{securityContextAdvanced}
 # Include{securityContextPod}
diff --git a/charts/incubator/splunk/templates/NOTES.txt b/charts/incubator/splunk/templates/NOTES.txt
new file mode 100644
index 0000000000000..efcb74cb77218
--- /dev/null
+++ b/charts/incubator/splunk/templates/NOTES.txt
@@ -0,0 +1 @@
+{{- include "tc.v1.common.lib.chart.notes" $ -}}
diff --git a/charts/incubator/splunk/templates/_config.tpl b/charts/incubator/splunk/templates/_config.tpl
index a57dfef75ff53..b8a0994478619 100644
--- a/charts/incubator/splunk/templates/_config.tpl
+++ b/charts/incubator/splunk/templates/_config.tpl
@@ -1,7 +1,7 @@
 {{/* Define the secret */}}
 {{- define "splunk.secret" -}}
 
-{{- $splunkSecret := printf "%s-splunk-config" (include "tc.common.names.fullname" .) }}
+{{- $splunkSecret := printf "%s-splunk-config" (include "tc.v1.common.lib.chart.names.fullname" .) }}
 {{- $argList := list -}}
 
 {{- if .Values.splunk.acceptLicense -}}
@@ -14,14 +14,8 @@
   {{- end -}}
 {{- end }}
 
----
-apiVersion: v1
-kind: Secret
-metadata:
-  name: {{ $splunkSecret }}
-  labels:
-    {{- include "tc.common.labels" . | nindent 4 }}
-stringData:
+enabled: true
+data:
   {{- with $argList }}
   SPLUNK_START_ARGS: {{ join " " . | quote }}
   {{- end }}
diff --git a/charts/incubator/splunk/templates/common.yaml b/charts/incubator/splunk/templates/common.yaml
index f8fb2812de82a..de4c1a4a91277 100644
--- a/charts/incubator/splunk/templates/common.yaml
+++ b/charts/incubator/splunk/templates/common.yaml
@@ -1,5 +1,11 @@
-{{ include "tc.common.loader.init" . }}
+{{/* Make sure all variables are set properly */}}
+{{- include "tc.v1.common.loader.init" . -}}
 
-{{- include "splunk.secret" . }}
+{{/* Render secrets for Splunk */}}
+{{- $secrets := include "splunk.secret" . | fromYaml -}}
+{{- if $secrets -}}
+  {{- $_ := set .Values.secret "secret" $secrets -}}
+{{- end -}}
 
-{{ include "tc.common.loader.apply" . }}
+{{/* Render the templates */}}
+{{- include "tc.v1.common.loader.apply" . -}}
diff --git a/charts/incubator/splunk/values.yaml b/charts/incubator/splunk/values.yaml
index 1c6770e0d784f..b3b718e2a937f 100644
--- a/charts/incubator/splunk/values.yaml
+++ b/charts/incubator/splunk/values.yaml
@@ -1,25 +1,20 @@
 image:
   pullPolicy: IfNotPresent
   repository: splunk/splunk
-  tag: 9.0.4@sha256:864f89b8acee4d54c81f9431da78175ff70379d554ab3f3db3d2c92fb4641b8d
-
-podSecurityContext:
-  runAsGroup: 0
-  runAsUser: 0
+  tag: 9.1.2@sha256:2a94cd38514f6f3b6bee2cd1df36ded17d7b8148ccb35e3be2a91258f6e5c46b
 
 securityContext:
-  readOnlyRootFilesystem: false
-  runAsNonRoot: false
+  container:
+    runAsNonRoot: false
+    readOnlyRootFilesystem: false
+    runAsUser: 0
+    runAsGroup: 0
 
 splunk:
   acceptLicense: true
   password: changeme
   extraArgs: []
 
-envFrom:
-  - secretRef:
-      name: '{{ include "tc.common.names.fullname" . }}-splunk-config'
-
 service:
   dataingest:
     enabled: true
@@ -27,13 +22,13 @@ service:
       dataingest:
         enabled: true
         port: 9997
-        protocol: HTTP
+        protocol: http
         targetPort: 9997
   main:
     ports:
       main:
         port: 8000
-        protocol: HTTP
+        protocol: http
         targetPort: 8000
   management:
     enabled: true
@@ -41,8 +36,16 @@ service:
       management:
         enabled: true
         port: 8089
-        protocol: HTTP
+        protocol: http
         targetPort: 8089
+workload:
+  main:
+    podSpec:
+      containers:
+        main:
+          envFrom:
+            - secretRef:
+                name: "secret"
 
 persistence:
   appcreds:
@@ -56,4 +59,5 @@ persistence:
     mountPath: /splunkdata
 
 portal:
-  enabled: true
+  open:
+    enabled: true