diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index dd5d6da3966d9398e5b021f436af2c738135dd27..062cc3ecc0cf3b665870499575445813d03b1243 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,6 +1,6 @@
 before_script:
     #pre-installation script
-    - yum install make glibc-devel openmotif-devel -y
+    - yum install make glibc-devel openmotif-devel mesa-libGLU-devel -y
 
 slc6-gcc48:
   tags: