diff --git a/roundcube/Chart.yaml b/roundcube/Chart.yaml
index 7964fd0..571d1b5 100644
--- a/roundcube/Chart.yaml
+++ b/roundcube/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v2
-appVersion: "1.6.5"
+appVersion: "1.6.6"
 description: A Helm chart for Kubernetes
 name: roundcube
-version: 0.4.0
+version: 0.4.1
 icon: https://github.com/roundcube/roundcubemail/blob/master/skins/classic/images/roundcube_logo.png
diff --git a/roundcube/values.yaml b/roundcube/values.yaml
index b2f4f37..4101a23 100644
--- a/roundcube/values.yaml
+++ b/roundcube/values.yaml
@@ -2,7 +2,7 @@ replicaCount: 1
 
 image:
   repository: roundcube/roundcubemail
-  tag: 1.6.5-apache
+  tag: 1.6.6-apache
   pullPolicy: IfNotPresent
 
 args: [ sh, -c, 'update-ca-certificates && /docker-entrypoint.sh apache2-foreground' ]