diff --git a/Dockerfile.linux.amd64 b/Dockerfile.linux.amd64
index e2402e8..ab770b1 100644
--- a/Dockerfile.linux.amd64
+++ b/Dockerfile.linux.amd64
@@ -1,5 +1,5 @@
 # use latest roundcubemail container
-FROM roundcube/roundcubemail:latest
+FROM docker.io/roundcube/roundcubemail:1.6.4-apache
 
 # prepare basic stuff
 RUN set -e && ln -sf bash /bin/sh
diff --git a/README.md b/README.md
index c03613e..53a2a15 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ Simple container with Roundcube and plugins pre-installed.
 
 | package | version | link |
 |---|---|---|
-| roundcube | 1.6.1 | [github](https://github.com/roundcube/roundcubemail)
-| johndoh/contextmenu | 3.3.1 | [github](https://github.com/johndoh/roundcube-contextmenu)
+| roundcube | latest | [github](https://github.com/roundcube/roundcubemail)
+| johndoh/contextmenu | latest | [github](https://github.com/johndoh/roundcube-contextmenu)
 
 The Dockerfile can be found here: [gitea](https://git.simoncor.net/siempie/roundcube)
diff --git a/renovate.json b/renovate.json
new file mode 100644
index 0000000..02ae055
--- /dev/null
+++ b/renovate.json
@@ -0,0 +1,4 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "dependencyDashboard": true
+}