diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 992363980ed94f9b2e34fecc46f342d44d4d773f..2369e2a0d752713753f074981bb94e980fa38ced 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -22,7 +22,7 @@ build_image:
   tags:
     - k8s-cvmfs
   script:
-    - yum -y install man which zlib-devel lz4-devel cmake make gcc gcc-c++ uuid-devel libuuid-devel  #mesa-libGL-devel libXpm-devel
+    - yum -y install man which zlib-devel lz4-devel cmake make gcc gcc-c++ uuid-devel libuuid-devel expat-devel #mesa-libGL-devel libXpm-devel
     # - yum -y install redhat-lsb # This doesn't exist in the main release!
     # --disablerepo=epel redhat-lsb redhat-lsb-core 
     - mkdir build