diff --git a/Dockerfile b/Dockerfile
index 0a819f3..d459508 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,6 +20,6 @@ RUN pip3 install --no-cache-dir \
   "git+http://github.com/pixelb/crudini.git@0.9.3#egg=crudini" \
 
 # Note(decentral1se): for RST rendering
-RUN pip3 install py3-docutils
+RUN pip install py3-docutils
 
 ENTRYPOINT ["/sbin/entrypoint.sh"]