diff --git a/kubernetes/apps/default/calibre/app/helmrelease.yaml b/kubernetes/apps/default/calibre/app/helmrelease.yaml
index 3a6d151ef..47079e0c1 100644
--- a/kubernetes/apps/default/calibre/app/helmrelease.yaml
+++ b/kubernetes/apps/default/calibre/app/helmrelease.yaml
@@ -34,7 +34,7 @@ spec:
           app:
             image:
               repository: ghcr.io/linuxserver/calibre
-              tag: version-v7.20.0@sha256:67544618e8c0ab3e57bcae6cdf519b0cfe2f47d47b15776351598f18eaf5f413
+              tag: version-v7.21.0@sha256:759773a89c64ceb77e4ffdbace0bb70c8266b1f58aaaa3937d45b45ac8fab8ae
             env:
               TZ: "${TIMEZONE}"
               PUID: "1026"