diff --git a/charts/stable/splunk/Chart.yaml b/charts/stable/splunk/Chart.yaml
index 37ea91fb43c..1701f484b62 100644
--- a/charts/stable/splunk/Chart.yaml
+++ b/charts/stable/splunk/Chart.yaml
@@ -9,7 +9,7 @@ annotations:
   trueforge.org/min_helm_version: "3.14"
   trueforge.org/train: stable
 apiVersion: v2
-appVersion: 10.2.3
+appVersion: 10.4.0
 dependencies:
   - name: common
     version: 29.3.4
@@ -37,5 +37,5 @@ sources:
   - https://hub.docker.com/r/splunk/splunk
   - https://splunk.github.io/docker-splunk
 type: application
-version: 13.3.0
+version: 13.4.0
 
diff --git a/charts/stable/splunk/values.yaml b/charts/stable/splunk/values.yaml
index 608087f734f..d0dc0e4b1e9 100644
--- a/charts/stable/splunk/values.yaml
+++ b/charts/stable/splunk/values.yaml
@@ -2,7 +2,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: docker.io/splunk/splunk
-  tag: 10.2.3@sha256:77183a6c0c616d736aa2538e3dbacfe8fe3a1950ea174c70c4402e70d4159ae8
+  tag: 10.4.0@sha256:5fef7b0d2c83f6e8b3fe3cda5885e2a01e3a6eb99d8502e6333aaa64e7021f62
 securityContext:
   container:
     runAsNonRoot: false