diff --git a/Dockerfile b/Dockerfile
index 5abc28421..82f62688b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -37,11 +37,11 @@ RUN \
     git \
     git-fast-import \
     openssh \
-  && python setup.py install \
-  && rm -rf /tmp/* \
+  && pip install --no-cache-dir . \
   && pip install --no-cache-dir \
     'mkdocs-minify-plugin>=0.2' \
-    'mkdocs-git-revision-date-localized-plugin>=0.4'
+    'mkdocs-git-revision-date-localized-plugin>=0.4' \
+  && rm -rf /tmp/*
 
 # Set working directory
 WORKDIR /docs