diff --git a/Dockerfile b/Dockerfile
index fc06553..4759d8d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,15 @@
 FROM archlinux:base-devel
 
+RUN cat > /etc/pacman.d/mirrorlist <<'EOF'
+Server = https://archlinux.cs.nycu.edu.tw/$repo/os/$arch
+EOF
+
 RUN cat >> /etc/pacman.conf <<'EOF'
 [custom]
 SigLevel = Optional TrustAll
 Server = http://repo.konchin.com/$repo/os/$arch
 EOF
+
 RUN pacman-key --init && pacman-key --populate
 RUN pacman -Syu --needed --noconfirm nodejs minio-client git