diff --git a/Dockerfile b/Dockerfile
index ae19932c..8f481a6e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,7 +14,7 @@ ENV WORK_DIR /opt/crawlab
 
 # install curl git
 RUN apt-get update
-RUN apt-get install curl git
+RUN apt-get install -y curl git
 
 
 # install nvm