diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f1c7f23..ff6a90d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -41,7 +41,7 @@
     - end_section install_fonts
 
     - start_section install_r_packages "Installing missing R packages"
-    - R -e "install.packages(c('devtools', 'RKorAPClient', 'httr', 'tidytext', 'httpuv', 'scales', 'sp', 'raster', 'kableExtra', 'DT', 'svglite'))"
+    - R -e "install.packages(c('devtools', 'RKorAPClient', 'httr', 'tidytext', 'httpuv', 'scales', 'sp', 'raster', 'kableExtra', 'DT', 'svglite', 'qrcode'))"
     - R -e 'devtools::install_git("https://korap.ids-mannheim.de/gerrit/IDS-Mannheim/idsThemeR")'
     - R -e 'devtools::install_git("https://korap.ids-mannheim.de/gerrit/IDS-Mannheim/posterdown")'
     - end_section install_r_packages