diff --git a/Dockerfile b/Dockerfile
index d2cc32d..3848b74 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -45,7 +45,7 @@ RUN apk add --no-cache \
     composer
 
 WORKDIR /var/lib/roundcube
-RUN composer require roundcube/carddav
+RUN composer require --update-no-dev roundcube/carddav
 WORKDIR /
 
 RUN chown -R nginx:nginx /var/lib/roundcube