diff --git a/webmails/roundcube/Dockerfile b/webmails/roundcube/Dockerfile
index a3ee3d40..55de8b93 100644
--- a/webmails/roundcube/Dockerfile
+++ b/webmails/roundcube/Dockerfile
@@ -19,7 +19,7 @@ RUN pip3 install socrate
 ENV ROUNDCUBE_URL https://github.com/roundcube/roundcubemail/releases/download/1.3.10/roundcubemail-1.3.10-complete.tar.gz
 
 RUN apt-get update && apt-get install -y \
-      zlib1g-dev libzip4 libzip-dev postgresql-dev \
+      zlib1g-dev libzip4 libzip-dev libpq-dev \
       python3-jinja2 \
  && docker-php-ext-install zip pdo_mysql pdo_pgsql \
  && echo date.timezone=UTC > /usr/local/etc/php/conf.d/timezone.ini \