diff --git a/scripts/docker_install.sh b/scripts/docker_install.sh
index d8dffe544cedbdce88e80e10962349430637ef08..da541c367377d7dc1698d58a471dd6e49545efbd 100644
--- a/scripts/docker_install.sh
+++ b/scripts/docker_install.sh
@@ -9,9 +9,9 @@ set -xe
 curl --location --output /usr/local/bin/phpunit https://phar.phpunit.de/phpunit.phar
 chmod +x /usr/local/bin/phpunit
 
-# required php extensions dependencies
+# required dependencies
 apt-get update -yqq
-apt-get install libmcrypt-dev -yqq
+apt-get install libmcrypt-dev mysql-client -yqq
 
 # required php extensions not included in base php image
 docker-php-ext-install mysqli