diff --git a/Dockerfile b/Dockerfile
index f8ebdef..578bc2e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@ RUN git clone --recursive https://github.com/twobombs/cuburn.git
 
 RUN add-apt-repository universe
 RUN apt-get update
-RUN apt-get install libboost-all-dev python-pycuda python-pip 
+RUN apt-get install -y libboost-all-dev python-pycuda python-pip 
 
 RUN pip install numpy scipy