diff --git a/charts/stable/misskey/Chart.yaml b/charts/stable/misskey/Chart.yaml
index 7ca63deaec9..1adb8a91917 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: 2026.3.2
+appVersion: 2026.5.0
 dependencies:
   - name: common
     version: 29.2.8
@@ -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: 17.4.0
+version: 17.5.0
 
diff --git a/charts/stable/misskey/values.yaml b/charts/stable/misskey/values.yaml
index ba7b93013ea..770479a5f40 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: 2026.3.2@sha256:8d281da796939c94d14f31a646af17f779d97cd417eecb56e1852821e212bc7b
+  tag: 2026.5.0@sha256:b056c3db799d147520f3fb9a3e0dd402e56dcbb8302cb813ab244d5388064ebb
 
 securityContext:
   pod: