diff --git a/.drone.yml b/.drone.yml
index 0b412f8..a9c7368 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -21,6 +21,7 @@ steps:
       - 'echo "install.packages(\"here\")" | r -'
       - 'echo "install.packages(\"dplyr\")" | r -'
       - 'echo "install.packages(\"knitr\")" | r -'
+      - 'echo "install.packages(\"stringr\")" | r -'
       - quarto render
     volumes:
       - name: lib