diff --git a/values.yaml b/values.yaml
index 2db6648..16f6651 100644
--- a/values.yaml
+++ b/values.yaml
@@ -9,7 +9,7 @@ backend:
     # so every cluster that runs Tower needs the same imagePullSecret
     # provisioned out-of-band (until cluster-platform-v3 owns it).
     repository: registry.odoosky.cloud/odoosky/docker-mirror/tower
-    tag: "0.21.2"
+    tag: "0.21.3"
     pullPolicy: IfNotPresent
   imagePullSecrets:
     - name: docker-mirror-pull