diff --git a/Dockerfile b/Dockerfile
index 1760860..5a6c303 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -49,7 +49,7 @@ RUN apt-get update && apt-get install -y \
   happy \
 
   # development conveniences
-  sudo xutils-dev \
+  sudo xutils-dev bash-completion \
 
   # For document generation
   xsltproc docbook-xsl \
@@ -67,6 +67,10 @@ RUN apt-get update && apt-get install -y \
   git php-cli php-curl libssl-dev vim-tiny \
   && apt-get clean
 
+# enable bash-completion
+# finds the bash completion section via a key comment then uncomments the following comment lines
+sed -i '/^#.*bash.*completion/{:more;N;s/\n#/\n/;t more}' /etc/bash.bashrc
+
 RUN mkdir /php && cd /php \
   && git clone https://github.com/phacility/libphutil.git \
   && git clone https://github.com/phacility/arcanist.git