diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bd8f239b23d1ec3aafa10937b34753cdb3fd0c9a..ba8f28d2ff62e46ed3e72b06ed705086b39c5280 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,7 +6,7 @@ before_script:
     - cat /etc/apt/sources.list
     
     - apt-get update -qq
-    - apt-get -t testing install -y python3.6
+    - DEBIAN_FRONTEND=noninteractive apt-get -t testing install -y python3.6
 
     # #- apt-get install -y -qq python3-pip
     # - export CTAPIPE_VERSION=master