diff --git a/Dockerfile b/Dockerfile
index b098d54..a9921e1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@ ARG TAG
 COPY v2ray.sh "${WORKDIR}"/v2ray.sh
 
 RUN set -ex \
-    && apk add --no-cache ca-certificates \
+    && apk add --no-cache ca-certificates curl \
     && mkdir -p /etc/v2ray /usr/local/share/v2ray /var/log/v2ray \
     # forward request and error logs to docker log collector
     && ln -sf /dev/stdout /var/log/v2ray/access.log \