diff --git a/Dockerfile b/Dockerfile
index c2ab0fc..09edd64 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,6 +22,9 @@ RUN yes | pip install 'buildbot-worker'
 RUN groupadd buildbot && useradd -m -g buildbot buildbot
 RUN mkdir /worker && chown buildbot:buildbot /worker
 
+# Reconfigure Dash
+RUN echo "dash dash/sh boolean false" | debconf-set-selections && dpkg-reconfigure dash
+
 # Install your build-dependencies here ...
 
 # Set UTF8 locale settings