diff --git a/charts/stable/qdirstat/Chart.yaml b/charts/stable/qdirstat/Chart.yaml
index a437af76660..81b11179749 100644
--- a/charts/stable/qdirstat/Chart.yaml
+++ b/charts/stable/qdirstat/Chart.yaml
@@ -9,7 +9,7 @@ annotations:
   trueforge.org/min_helm_version: "3.14"
   trueforge.org/train: stable
 apiVersion: v2
-appVersion: 26.03.1
+appVersion: 26.05.1
 dependencies:
   - name: common
     version: 29.3.4
@@ -36,5 +36,5 @@ sources:
   - https://github.com/trueforge-org/truecharts/tree/master/charts/stable/qdirstat
   - https://hub.docker.com/r/jlesage/qdirstat
 type: application
-version: 15.3.0
+version: 15.4.0
 
diff --git a/charts/stable/qdirstat/values.yaml b/charts/stable/qdirstat/values.yaml
index 515cdd67900..0a7b1050403 100644
--- a/charts/stable/qdirstat/values.yaml
+++ b/charts/stable/qdirstat/values.yaml
@@ -1,7 +1,7 @@
 # yaml-language-server: $schema=./values.schema.json
 image:
   repository: docker.io/jlesage/qdirstat
-  tag: v26.03.1@sha256:309b8adf641c97e052e617a5170bbe1c4c695612521711f1195d17a689f7a238
+  tag: v26.05.1@sha256:0140012c4fb35c90eed555459562ee2179e0c23f9bc2c5a50aed226fcaadfe84
   pullPolicy: IfNotPresent
 service:
   main: