diff --git a/.drone.yml b/.drone.yml
index 7031eab..53f4649 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -12,7 +12,10 @@ steps:
   - name: Build & Upload
     image: ubuntu:22.04
     commands:
-      - sudo apt update && sudo apt install libgmp-dev libmpfr-dev libmpc-dev gcc-multilib
+      - sed -i 's@//.*archive.ubuntu.com@//mirror-cdn.xtom.com@g' /etc/apt/sources.list &&
+        sed -i 's@//security.ubuntu.com@//mirror-cdn.xtom.com@g' /etc/apt/sources.list
+      - apt update &&
+        apt install -y git make gcc libgmp-dev libmpfr-dev libmpc-dev gcc-multilib
       - bash build.sh
     environment:
       GITEA_ENDPOINT: https://git.m.ac