diff --git a/.drone.yml b/.drone.yml
index 689b8f4..0b412f8 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -19,6 +19,8 @@ steps:
       - 'echo "install.packages(\"rmarkdown\")" | r -'
       - 'echo "install.packages(\"readr\")" | r -'
       - 'echo "install.packages(\"here\")" | r -'
+      - 'echo "install.packages(\"dplyr\")" | r -'
+      - 'echo "install.packages(\"knitr\")" | r -'
       - quarto render
     volumes:
       - name: lib