diff --git a/Dockerfile b/Dockerfile
index 7579f49..61d5b4d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,8 @@ MAINTAINER milktea@vmoe.info
 RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
 RUN apk update && apk --no-cache add git build-base libffi-dev libxml2-dev libxslt-dev libressl-dev
 ADD requirements.txt /requirements.txt
-RUN pip install -r /requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple
+RUN pip install uvloop
+RUN pip install -r /requirements.txt -i https://mirrors.aliyun.com/pypi/simple/
 RUN git clone https://github.com/blechschmidt/massdns
 WORKDIR /massdns
 RUN make