diff --git a/Dockerfile b/Dockerfile
index 5f15954..dd5fe12 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,14 +19,14 @@ ENV PGHOST=db \
 # Install git, Apache2 + PHP + PostgreSQL webserver, sendmail, wkhtmltopdf & others utilities.
 RUN apt-get update && \
     apt-get upgrade -y && \
-    apt-get install postgresql-client wkhtmltopdf libpq-dev libpng-dev libxml2-dev libzip-dev libonig-dev sendmail -y;
+    apt-get install postgresql-client wkhtmltopdf libpq-dev libpng-dev libxml2-dev libzip-dev libonig-dev sendmail nano locales  -y;
 
 # Install PHP extensions.
 RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr; \
     docker-php-ext-install -j$(nproc) gd mbstring xml pgsql gettext xmlrpc zip
 
 # Download and extract rosariosis
-ENV ROSARIOSIS_VERSION 'v7.2.4'
+ENV ROSARIOSIS_VERSION 'v7.3.1'
 RUN mkdir /usr/src/rosariosis && \
     curl -L https://gitlab.com/francoisjacquet/rosariosis/-/archive/${ROSARIOSIS_VERSION}/rosariosis-${ROSARIOSIS_VERSION}.tar.gz \
     | tar xz --strip-components=1 -C /usr/src/rosariosis && \
diff --git a/conf/config.inc.php b/conf/config.inc.php
index a9d7e50..25140ee 100644
--- a/conf/config.inc.php
+++ b/conf/config.inc.php
@@ -53,7 +53,7 @@ $pg_dumpPath = '/usr/bin/pg_dump';
  * @example /usr/local/bin/wkhtmltopdf
  * @example C:/Progra~1/wkhtmltopdf/bin/wkhtmltopdf.exe
  */
-$wkhtmltopdfPath = 'wkhtmltopdf';
+$wkhtmltopdfPath = '/usr/bin/wkhtmltopdf';
 
 
 /**