diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5a1714130b0637ad37fd79f4422ad6b23c3af21c..1e4c0ab7d26c057154f0b59138ef9abf674ad518 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,7 +2,7 @@ image: rocker/r-ver:4.4.2
 
 before_script:
   - apt-get update
-  - apt-get -y install pandoc libcurl4-openssl-dev r-cran-rcpp r-cran-devtools r-cran-testthat r-cran-curl r-cran-seqinr r-cran-ape r-bioc-biostrings r-cran-uuid r-cran-callr r-cran-rmarkdown r-bioc-biocstyle
+  - apt-get -y install libfontconfig1-dev libssl-dev libxml2-dev pandoc libcurl4-openssl-dev r-cran-rcpp r-cran-devtools r-cran-testthat r-cran-curl r-cran-seqinr r-cran-ape r-bioc-biostrings r-cran-uuid r-cran-callr r-cran-rmarkdown r-bioc-biocstyle
   - R -e "install.packages('BiocManager'); BiocManager::install(version = '3.20')"
   - R -e "dir(); getwd(); sessionInfo(); install.packages('tidyverse', repos='http://cran.rstudio.com'); install.packages('pkgdown', repos='http://cran.rstudio.com'); install.packages('RcppThread', repos='http://cran.rstudio.com'); Rcpp::compileAttributes(); devtools::install(); update.packages(ask = FALSE, checkBuilt = TRUE)"