diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b71cbfa..657f16c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -26,10 +26,10 @@
 
     - start_section install_linux_packages "Installing missing Linux packages"
     - apt-get update
-    - apt-get install -y libvulkan1 libu2f-udev fonts-liberation build-essential libglpk40 libcurl4-gnutls-dev libxml2-dev libsodium-dev libsecret-1-dev libfontconfig1-dev libssl-dev libxt6 libpq-dev imagemagick inkscape scour poppler-utils fonts-stix
-    - wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
+    - apt-get install -y curl libvulkan1 libu2f-udev fonts-liberation build-essential libglpk40 libcurl4-gnutls-dev libxml2-dev libsodium-dev libsecret-1-dev libfontconfig1-dev libssl-dev libxt6 libpq-dev imagemagick inkscape scour poppler-utils fonts-stix
+    - curl -LO https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
     - dpkg -i google-chrome-stable_current_amd64.deb || apt-get install -y -f
-#    - wget http://mirror.cs.uchicago.edu/google-chrome/pool/main/g/google-chrome-stable/google-chrome-stable_${CHROME_VERSION}_amd64.deb
+#    - curl -O http://mirror.cs.uchicago.edu/google-chrome/pool/main/g/google-chrome-stable/google-chrome-stable_${CHROME_VERSION}_amd64.deb
 #    - dpkg -i google-chrome-stable_${CHROME_VERSION}_amd64.deb || apt-get install -y -f
     - locale-gen de_DE.utf8 en_GB.utf8 en_US.utf8
     - end_section install_linux_packages
@@ -40,14 +40,15 @@
     - end_section testing_chromium
 
     - start_section install_fonts "Installing Libertinus and Fira fonts"
-    - wget -O- https://github.com/mozilla/Fira/archive/refs/tags/4.202.tar.gz | tar -C /usr/share/fonts -zx --wildcards "*.otf"
+    - curl -Ls https://github.com/mozilla/Fira/archive/refs/tags/4.202.tar.gz | tar -C /usr/share/fonts -zx --wildcards "*.otf"
     - fc-cache
     - end_section install_fonts
 
     - start_section install_r_packages "Installing missing R packages"
-    - echo -e 'local({r <- getOption("repos")\n r["CRAN"] <- "https://cloud.r-project.org"\n options(repos=r)})' > ~/.Rprofile
+#    - echo -e 'local({r <- getOption("repos")\n r["CRAN"] <- "https://cloud.r-project.org"\n options(repos=r)})' > ~/.Rprofile
     - echo "options(Ncpus=$(nproc))" >> ~/.Rprofile
-    - R -e "install.packages(c('devtools', 'scales', 'sp', 'raster', 'kableExtra', 'DT', 'svglite', 'qrcode'), dependencies=TRUE)"
+    - R -e "install.packages('pak', dependencies=TRUE)"
+    - R -e "pak::pak(c('devtools', 'scales', 'sp', 'raster', 'kableExtra', 'DT', 'svglite', 'qrcode', 'posterdown'))"
     - R -e 'devtools::install_git("https://korap.ids-mannheim.de/gerrit/IDS-Mannheim/idsThemeR", dependencies=TRUE)'
     - R -e 'devtools::install_git("https://korap.ids-mannheim.de/gerrit/IDS-Mannheim/posterdown", dependencies=TRUE)'
     - end_section install_r_packages