diff --git a/Dockerfile b/Dockerfile
index 314cb0f..f9c6e22 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,6 +14,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
         libldap2-dev \
         libldap-2.4-2 \
         libldap-common \
+        libpq-dev \
         netcat \
         git \
         imagemagick \
@@ -37,6 +38,12 @@ RUN docker-php-ext-install -j$(nproc) mbstring xml intl mysqli ldap pcntl opcach
     && a2enmod rewrite \
     && rm -rf /tmp/pear
 
+# pgsql
+RUN docker-php-ext-install pdo pdo_pgsql pgsql \
+    && ln -s /usr/local/etc/php/php.ini-production /usr/local/etc/php/php.ini \
+    && sed -i -e 's/;extension=pgsql/extension=pgsql/' /usr/local/etc/php/php.ini \
+    && sed -i -e 's/;extension=pdo_pgsql/extension=pdo_pgsql/' /usr/local/etc/php/php.ini
+
 WORKDIR /var/www/html
 
 RUN curl -L https://releases.wikimedia.org/mediawiki/$WIKI_VERSION_MAJOR_MINOR/mediawiki-$WIKI_VERSION.tar.gz | tar xz --strip=1