diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6e605df78493ae4310b631da34ba3269f149a58d..fd3c25a52b8cc331b699797f33622a6818cac389 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -301,7 +301,7 @@ pages:
     # container:
     - yum -y install texlive-base texlive-dvipng
     - yum -y install texlive-latex texlive-latex-base-doc texlive-latex-fonts texlive-latex-bin texlive-latex-bin-bin
-    - yum -y install texlive-pictures texlive-pstricks texlive-pstricks-doc
+    - yum -y install texlive-pictures texlive-pstricks texlive-pstricks-doc texlive-collection-xetex
     
     # Download and install phython-sphinx. The version available for SL7 (1.1)
     # is too old (see errors in previous piplines). But newer versions won't