diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 33197e0c9f5aeb9f9d1586e43af12990aecd00cb..0fa3080cdd7c5e7ca3a1bfa88f140872c1ad88e7 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -7,7 +7,7 @@ variables:
 pages:
   stage: deploy
   before_script:
-  - apt update; apt install po4a -y
+  - apt-get -y update && apt-get -y install po4a
   - pip install -r requirements.txt
   script:
   - make publish; make publish