diff --git a/Dockerfile b/Dockerfile
index e8fd5f1..ab21c0b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ MAINTAINER Hugues MALPHETTES <hmalphettes@gmail.com>
 
 WORKDIR /app
 ADD . /app
-RUN npm install
+RUN npm install --unsafe-perm
 
 EXPOSE 3003