diff --git a/roles/roundcube/vars/main.yml b/roles/roundcube/vars/main.yml
index 2eaec0b..59a88c4 100644
--- a/roles/roundcube/vars/main.yml
+++ b/roles/roundcube/vars/main.yml
@@ -16,6 +16,6 @@ roundcube_writable_app_dirs:
   - temp
 
 # CardDAV extension
-roundcube_carddav_version: "5.1.0"
+roundcube_carddav_version: "5.1.1"
 roundcube_carddav_url: "https://github.com/mstilkerich/rcmcarddav/releases/download/v{{ roundcube_carddav_version }}/carddav-v{{ roundcube_carddav_version }}.tar.gz"
 roundcube_carddav_discovery_url: "{{ web_hostname | selectattr('type', 'defined') | selectattr('type', '==', 'nextcloud') | map(attribute='host') | first }}"