diff --git a/charts/stable/misskey/Chart.yaml b/charts/stable/misskey/Chart.yaml
index 89aef297aa8..1d149752624 100644
--- a/charts/stable/misskey/Chart.yaml
+++ b/charts/stable/misskey/Chart.yaml
@@ -11,7 +11,7 @@ annotations:
   truecharts.org/min_kubernetes_version: 1.24.0
   truecharts.org/train: stable
 apiVersion: v2
-appVersion: 2025.9.0
+appVersion: 2025.10.0
 dependencies:
   - name: common
     version: 28.22.0
@@ -46,8 +46,9 @@ maintainers:
 name: misskey
 sources:
   - https://github.com/misskey-dev/misskey/
+  - https://github.com/truecharts/charts/tree/master/charts/stable/misskey
   - https://github.com/trueforge-org/truecharts/tree/master/charts/stable/misskey
   - https://hub.docker.com/r/misskey/misskey
 type: application
-version: 13.20.0
+version: 13.21.0
 
diff --git a/charts/stable/misskey/values.yaml b/charts/stable/misskey/values.yaml
index 93be577905d..84de9ae634b 100644
--- a/charts/stable/misskey/values.yaml
+++ b/charts/stable/misskey/values.yaml
@@ -1,7 +1,7 @@
 image:
   repository: docker.io/misskey/misskey
   pullPolicy: IfNotPresent
-  tag: 2025.9.0@sha256:8730fee9e8897fd120be5900aebd98d58611864e1e4db465485c4d0a108f0564
+  tag: 2025.10.0@sha256:8d49c5b0d3f03384f1b8d1878146226892d6aeceaaee2626a6b11915828fc4c1
 
 securityContext:
   pod: