diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index dac3dac..ca6b864 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,6 +1,6 @@
 before_script:
     # Install dependencies
-    - bash build/docker_install.sh > /dev/null
+    - sh build/docker_install.sh > /dev/null
     - curl -sS https://getcomposer.org/installer | php
     - php composer.phar install --ignore-platform-reqs
 services: