diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b76fdbb704bda85af89f45448238d0ec65536a65..92c896a5222fdfe8d07b1a51916da16d4ed7d6f5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,7 +1,7 @@
 image: "ubuntu"
 
 before_script:
-  - apt-get update -qq && apt-get install -y -qq make curl libxml2-utils xsltproc
+  - apt-get update -qq && apt-get install -y -qq make curl libxml2-utils xsltproc unzip
 
 stages:
   - build