diff --git a/.drone.yml b/.drone.yml
index 6f0a64e..d560d75 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -18,6 +18,7 @@ steps:
   - name: site
     path: /site
   commands:
+  - apt install gcc -y
   - pip install -U -r ./requirements.txt
   - mkdocs build