diff --git a/charts/stable/misskey/Chart.yaml b/charts/stable/misskey/Chart.yaml
index 602d33fe714..e6115b76a0e 100644
--- a/charts/stable/misskey/Chart.yaml
+++ b/charts/stable/misskey/Chart.yaml
@@ -9,7 +9,7 @@ annotations:
   trueforge.org/min_helm_version: "3.14"
   trueforge.org/train: stable
 apiVersion: v2
-appVersion: 2026.5.2
+appVersion: 2026.5.3
 dependencies:
   - name: common
     version: 29.3.4
@@ -47,5 +47,5 @@ sources:
   - https://github.com/trueforge-org/truecharts/tree/master/charts/stable/misskey
   - https://hub.docker.com/r/misskey/misskey
 type: application
-version: 17.7.2
+version: 17.7.3
 
diff --git a/charts/stable/misskey/values.yaml b/charts/stable/misskey/values.yaml
index d90d4ea7d8f..4a6349de111 100644
--- a/charts/stable/misskey/values.yaml
+++ b/charts/stable/misskey/values.yaml
@@ -2,7 +2,7 @@
 image:
   repository: docker.io/misskey/misskey
   pullPolicy: IfNotPresent
-  tag: 2026.5.2@sha256:e7ad14d50d2b80ee473faf0112deacc332c8616d624a43fe90e8d88259878d1d
+  tag: 2026.5.3@sha256:2801e4e2baf3e7845c59e7355c0a92cba796eb9336de9601ce683c342b20d57b
 
 securityContext:
   pod: