diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bce7133..8b7d5f5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,7 +1,7 @@
 image: rocker/tidyverse
 test:
    script:
-    - sudo apt-get -y libpsl-dev
+    - sudo apt-get -y install libpsl-dev
     - R -e 'install.packages(c("testthat", "covr", "Rcpp", "stringi", "knitr", "rmarkdown"))'
     - R CMD build . --no-build-vignettes --no-manual
     - PKG_FILE_NAME=$(ls -1t *.tar.gz | head -n 1)