diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cfd9d8908f..7a527e95b0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,7 +1,7 @@
 before_script:
   - apt-get -q update -y
   - echo " == Installing required packages"
-  - apt-get -q install -y python
+  - apt-get -q install -y python python-yaml
   - echo " == Cloning fdroidserver"
   - test -d fdroidserver && rm -rf fdroidserver
   - git clone https://gitlab.com/fdroid/fdroidserver.git fdroidserver --depth=10