diff --git a/kubernetes/apps/mastodon/redis/app/helmrelease.yaml b/kubernetes/apps/mastodon/redis/app/helmrelease.yaml
index a3da64dfddb..e3f1566a8a3 100644
--- a/kubernetes/apps/mastodon/redis/app/helmrelease.yaml
+++ b/kubernetes/apps/mastodon/redis/app/helmrelease.yaml
@@ -9,7 +9,7 @@ spec:
   chart:
     spec:
       chart: redis
-      version: 19.6.4
+      version: 20.4.0
       sourceRef:
         kind: HelmRepository
         name: bitnami