diff --git a/charts/stable/mkvtoolnix/Chart.yaml b/charts/stable/mkvtoolnix/Chart.yaml
index 48b03bc7532..1d61a14136e 100644
--- a/charts/stable/mkvtoolnix/Chart.yaml
+++ b/charts/stable/mkvtoolnix/Chart.yaml
@@ -11,7 +11,7 @@ annotations:
   truecharts.org/min_kubernetes_version: 1.24.0
   truecharts.org/train: stable
 apiVersion: v2
-appVersion: 25.12.2
+appVersion: 25.12.3
 dependencies:
   - name: common
     version: 28.29.11
@@ -40,5 +40,5 @@ sources:
   - https://hub.docker.com/r/jlesage/mkvtoolnix
   - https://mkvtoolnix.download/
 type: application
-version: 14.17.3
+version: 14.17.4
 
diff --git a/charts/stable/mkvtoolnix/values.yaml b/charts/stable/mkvtoolnix/values.yaml
index a12e39c514a..533be58399c 100644
--- a/charts/stable/mkvtoolnix/values.yaml
+++ b/charts/stable/mkvtoolnix/values.yaml
@@ -1,6 +1,6 @@
 image:
   repository: docker.io/jlesage/mkvtoolnix
-  tag: v25.12.2@sha256:32859516621fa361c81039ce02d8a6f4732f35008f4cf88c23d98c073561a2fd
+  tag: v25.12.3@sha256:ec0ba5c05338be8a7c907dbdf914eb4c85a08c75e35b4889216f71212255a25d
   pullPolicy: IfNotPresent
 service:
   main: