diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6e72183d45..b9d819e04c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -47,6 +47,7 @@ lint:
   before_script:
     - apt-get update
     - apt-get -qy dist-upgrade
+    - apt-get -qy clean
     - rm -rf fdroidserver
     - mkdir fdroidserver
     - git ls-remote https://gitlab.com/fdroid/fdroidserver.git master
@@ -246,6 +247,7 @@ fdroid build:
 
     - apt-get update
     - apt-get dist-upgrade
+    - apt-get clean
 
     - test -n "$fdroidserver" || source /etc/profile.d/bsenv.sh