diff --git a/Dockerfile b/Dockerfile
index 01e8370..bfc0894 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,9 +14,10 @@ RUN apk add --no-cache \
     libxml2-dev \
     oniguruma-dev \
     freetype-dev \
-    libjpeg-turbo-dev
+    libjpeg-turbo-dev \
+    postgresql-dev
 
-RUN docker-php-ext-install pdo_mysql mbstring exif pcntl bcmath gd zip
+RUN docker-php-ext-install pdo_mysql pdo_pgsql mbstring exif pcntl bcmath gd zip
 
 RUN cat <<EOF > /usr/local/etc/php/conf.d/error-logging.ini
 [PHP]