diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 34a57f47f2e87c33d1f72c4459cd094d111bf581..33197e0c9f5aeb9f9d1586e43af12990aecd00cb 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -7,7 +7,7 @@ variables:
 pages:
   stage: deploy
   before_script:
-  - apt update; apt install po4a
+  - apt update; apt install po4a -y
   - pip install -r requirements.txt
   script:
   - make publish; make publish