diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 486a7973499b1ca7e6ec3ffb1470d375395bb64b..44f5eb257d12f12ca746b355e24994f475f55fcd 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -17,6 +17,9 @@ package:
   before_script:
     # enable apt-get cache
     - mkdir -p .apt
+    - cd .apt
+    - dpkg-scanpackages ./ /dev/null | gzip > Packages.gz
+    - cd ..
     - echo "deb file:`pwd` .apt/" >> /etc/apt/sources.list
     - make build_dependencies