diff --git a/Dockerfile b/Dockerfile
index 5718276..54c2f8b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,5 +9,7 @@ VOLUME /data/db
 EXPOSE 27017 28017
 
 COPY run.sh /root
+RUN chmod +x /root/run.sh
+
 ENTRYPOINT [ "/root/run.sh" ]
 CMD [ "mongod" ]