diff --git a/.drone/Dockerfile b/.drone/Dockerfile
index bb0ddf9..0def68f 100644
--- a/.drone/Dockerfile
+++ b/.drone/Dockerfile
@@ -1,2 +1,2 @@
 FROM squidfunk/mkdocs-material
-pip install mkdocs-git-revision-date-plugin
\ No newline at end of file
+RUN pip install mkdocs-git-revision-date-plugin
\ No newline at end of file